Add new CefRequestHandler::OnBeforePluginLoad callback and functions for controlling plugin loading and life span (issue #645).

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@822 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

cef.gyp

@@ -845,6 +845,7 @@
         'libcef/browser/url_request_interceptor.cc',
         'libcef/browser/url_request_interceptor.h',
         'libcef/browser/web_plugin_impl.cc',
+        'libcef/browser/web_plugin_impl.h',
         'libcef/browser/xml_reader_impl.cc',
         'libcef/browser/xml_reader_impl.h',
         'libcef/browser/zip_reader_impl.cc',

cef_paths.gypi

@@ -228,6 +228,8 @@
       'libcef_dll/cpptoc/web_plugin_info_cpptoc.h',
       'libcef_dll/ctocpp/web_plugin_info_visitor_ctocpp.cc',
       'libcef_dll/ctocpp/web_plugin_info_visitor_ctocpp.h',
+      'libcef_dll/ctocpp/web_plugin_unstable_callback_ctocpp.cc',
+      'libcef_dll/ctocpp/web_plugin_unstable_callback_ctocpp.h',
       'libcef_dll/ctocpp/write_handler_ctocpp.cc',
       'libcef_dll/ctocpp/write_handler_ctocpp.h',
       'libcef_dll/cpptoc/xml_reader_cpptoc.cc',
@@ -364,6 +366,8 @@
       'libcef_dll/ctocpp/web_plugin_info_ctocpp.h',
       'libcef_dll/cpptoc/web_plugin_info_visitor_cpptoc.cc',
       'libcef_dll/cpptoc/web_plugin_info_visitor_cpptoc.h',
+      'libcef_dll/cpptoc/web_plugin_unstable_callback_cpptoc.cc',
+      'libcef_dll/cpptoc/web_plugin_unstable_callback_cpptoc.h',
       'libcef_dll/cpptoc/write_handler_cpptoc.cc',
       'libcef_dll/cpptoc/write_handler_cpptoc.h',
       'libcef_dll/ctocpp/xml_reader_ctocpp.cc',

include/capi/cef_request_handler_capi.h

@@ -173,6 +173,14 @@ typedef struct _cef_request_handler_t {
   void (CEF_CALLBACK *on_protocol_execution)(
       struct _cef_request_handler_t* self, struct _cef_browser_t* browser,
       const cef_string_t* url, int* allow_os_execution);
+
+  ///
+  // Called on the browser process IO thread before a plugin is loaded. Return
+  // true (1) to block loading of the plugin.
+  ///
+  int (CEF_CALLBACK *on_before_plugin_load)(struct _cef_request_handler_t* self,
+      struct _cef_browser_t* browser, const cef_string_t* url,
+      const cef_string_t* policy_url, struct _cef_web_plugin_info_t* info);
 } cef_request_handler_t;
 
 

include/capi/cef_web_plugin_capi.h

@@ -46,11 +46,66 @@ extern "C" {
 
 
 ///
-// Visit web plugin information.
+// Visit web plugin information. Can be called on any thread in the browser
+// process.
 ///
 CEF_EXPORT void cef_visit_web_plugin_info(
     struct _cef_web_plugin_info_visitor_t* visitor);
 
+///
+// Cause the plugin list to refresh the next time it is accessed regardless of
+// whether it has already been loaded. Can be called on any thread in the
+// browser process.
+///
+CEF_EXPORT void cef_refresh_web_plugins();
+
+///
+// Add a plugin path (directory + file). This change may not take affect until
+// after cef_refresh_web_plugins() is called. Can be called on any thread in the
+// browser process.
+///
+CEF_EXPORT void cef_add_web_plugin_path(const cef_string_t* path);
+
+///
+// Add a plugin directory. This change may not take affect until after
+// cef_refresh_web_plugins() is called. Can be called on any thread in the
+// browser process.
+///
+CEF_EXPORT void cef_add_web_plugin_directory(const cef_string_t* dir);
+
+///
+// Remove a plugin path (directory + file). This change may not take affect
+// until after cef_refresh_web_plugins() is called. Can be called on any thread
+// in the browser process.
+///
+CEF_EXPORT void cef_remove_web_plugin_path(const cef_string_t* path);
+
+///
+// Unregister an internal plugin. This may be undone the next time
+// cef_refresh_web_plugins() is called. Can be called on any thread in the
+// browser process.
+///
+CEF_EXPORT void cef_unregister_internal_web_plugin(const cef_string_t* path);
+
+///
+// Force a plugin to shutdown. Can be called on any thread in the browser
+// process but will be executed on the IO thread.
+///
+CEF_EXPORT void cef_force_web_plugin_shutdown(const cef_string_t* path);
+
+///
+// Register a plugin crash. Can be called on any thread in the browser process
+// but will be executed on the IO thread.
+///
+CEF_EXPORT void cef_register_web_plugin_crash(const cef_string_t* path);
+
+///
+// Query if a plugin is unstable. Can be called on any thread in the browser
+// process.
+///
+CEF_EXPORT void cef_is_web_plugin_unstable(const cef_string_t* path,
+    struct _cef_web_plugin_unstable_callback_t* callback);
+
 ///
 // Information about a specific web plugin.
 ///
@@ -92,7 +147,7 @@ typedef struct _cef_web_plugin_info_t {
 
 ///
 // Structure to implement for visiting web plugin information. The functions of
-// this structure will be called on the UI thread.
+// this structure will be called on the browser process UI thread.
 ///
 typedef struct _cef_web_plugin_info_visitor_t {
   ///
@@ -111,6 +166,27 @@ typedef struct _cef_web_plugin_info_visitor_t {
 } cef_web_plugin_info_visitor_t;
 
 
+///
+// Structure to implement for receiving unstable plugin information. The
+// functions of this structure will be called on the browser process IO thread.
+///
+typedef struct _cef_web_plugin_unstable_callback_t {
+  ///
+  // Base structure.
+  ///
+  cef_base_t base;
+
+  ///
+  // Method that will be called for the requested plugin. |unstable| will be
+  // true (1) if the plugin has reached the crash count threshold of 3 times in
+  // 120 seconds.
+  ///
+  void (CEF_CALLBACK *is_unstable)(
+      struct _cef_web_plugin_unstable_callback_t* self,
+      const cef_string_t* path, int unstable);
+} cef_web_plugin_unstable_callback_t;
+
+
 #ifdef __cplusplus
 }
 #endif

include/cef_request_handler.h

@@ -45,6 +45,7 @@
 #include "include/cef_resource_handler.h"
 #include "include/cef_response.h"
 #include "include/cef_request.h"
+#include "include/cef_web_plugin.h"
 
 ///
 // Callback interface used for asynchronous continuation of authentication
@@ -190,6 +191,18 @@ class CefRequestHandler : public virtual CefBase {
   virtual void OnProtocolExecution(CefRefPtr<CefBrowser> browser,
                                    const CefString& url,
                                    bool& allow_os_execution) {}
+
+  ///
+  // Called on the browser process IO thread before a plugin is loaded. Return
+  // true to block loading of the plugin.
+  ///
+  /*--cef(optional_param=url,optional_param=policy_url)--*/
+  virtual bool OnBeforePluginLoad(CefRefPtr<CefBrowser> browser,
+                                  const CefString& url,
+                                  const CefString& policy_url,
+                                  CefRefPtr<CefWebPluginInfo> info) {
+    return false;
+  }
 };
 
 #endif  // CEF_INCLUDE_CEF_REQUEST_HANDLER_H_

include/cef_web_plugin.h

@@ -38,16 +38,7 @@
 #define CEF_INCLUDE_CEF_WEB_PLUGIN_H_
 
 #include "include/cef_base.h"
-
-class CefWebPluginInfoVisitor;
-
-
-///
-// Visit web plugin information.
-///
-/*--cef()--*/
-void CefVisitWebPluginInfo(CefRefPtr<CefWebPluginInfoVisitor> visitor);
-
+#include "include/cef_browser.h"
 
 ///
 // Information about a specific web plugin.
@@ -80,10 +71,9 @@ class CefWebPluginInfo : public virtual CefBase {
   virtual CefString GetDescription() =0;
 };
 
-
 ///
 // Interface to implement for visiting web plugin information. The methods of
-// this class will be called on the UI thread.
+// this class will be called on the browser process UI thread.
 ///
 /*--cef(source=client)--*/
 class CefWebPluginInfoVisitor : public virtual CefBase {
@@ -98,4 +88,91 @@ class CefWebPluginInfoVisitor : public virtual CefBase {
   virtual bool Visit(CefRefPtr<CefWebPluginInfo> info, int count, int total) =0;
 };
 
+///
+// Visit web plugin information. Can be called on any thread in the browser
+// process.
+///
+/*--cef()--*/
+void CefVisitWebPluginInfo(CefRefPtr<CefWebPluginInfoVisitor> visitor);
+
+///
+// Cause the plugin list to refresh the next time it is accessed regardless
+// of whether it has already been loaded. Can be called on any thread in the
+// browser process.
+///
+/*--cef()--*/
+void CefRefreshWebPlugins();
+
+///
+// Add a plugin path (directory + file). This change may not take affect until
+// after CefRefreshWebPlugins() is called. Can be called on any thread in the
+// browser process.
+///
+/*--cef()--*/
+void CefAddWebPluginPath(const CefString& path);
+
+///
+// Add a plugin directory. This change may not take affect until after
+// CefRefreshWebPlugins() is called. Can be called on any thread in the browser
+// process.
+///
+/*--cef()--*/
+void CefAddWebPluginDirectory(const CefString& dir);
+
+///
+// Remove a plugin path (directory + file). This change may not take affect
+// until after CefRefreshWebPlugins() is called. Can be called on any thread in
+// the browser process.
+///
+/*--cef()--*/
+void CefRemoveWebPluginPath(const CefString& path);
+
+///
+// Unregister an internal plugin. This may be undone the next time
+// CefRefreshWebPlugins() is called. Can be called on any thread in the browser
+// process.
+///
+/*--cef()--*/
+void CefUnregisterInternalWebPlugin(const CefString& path);
+
+///
+// Force a plugin to shutdown. Can be called on any thread in the browser
+// process but will be executed on the IO thread.
+///
+/*--cef()--*/
+void CefForceWebPluginShutdown(const CefString& path);
+
+///
+// Register a plugin crash. Can be called on any thread in the browser process
+// but will be executed on the IO thread.
+///
+/*--cef()--*/
+void CefRegisterWebPluginCrash(const CefString& path);
+
+///
+// Interface to implement for receiving unstable plugin information. The methods
+// of this class will be called on the browser process IO thread.
+///
+/*--cef(source=client)--*/
+class CefWebPluginUnstableCallback : public virtual CefBase {
+ public:
+  ///
+  // Method that will be called for the requested plugin. |unstable| will be
+  // true if the plugin has reached the crash count threshold of 3 times in 120
+  // seconds.
+  ///
+  /*--cef()--*/
+  virtual void IsUnstable(const CefString& path,
+                          bool unstable) =0;
+};
+
+///
+// Query if a plugin is unstable. Can be called on any thread in the browser
+// process.
+///
+/*--cef()--*/
+void CefIsWebPluginUnstable(const CefString& path,
+                            CefRefPtr<CefWebPluginUnstableCallback> callback);
+
+
 #endif  // CEF_INCLUDE_CEF_WEB_PLUGIN_H_

libcef/browser/content_browser_client.cc

@@ -14,14 +14,17 @@
 #include "libcef/browser/context.h"
 #include "libcef/browser/resource_dispatcher_host_delegate.h"
 #include "libcef/browser/thread_util.h"
+#include "libcef/browser/web_plugin_impl.h"
 #include "libcef/common/cef_switches.h"
 #include "libcef/common/command_line_impl.h"
 
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/path_service.h"
+#include "content/browser/plugin_service_impl.h"
 #include "content/public/browser/access_token_store.h"
 #include "content/public/browser/media_observer.h"
+#include "content/public/browser/plugin_service_filter.h"
 #include "content/public/browser/quota_permission_context.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/resource_dispatcher_host.h"
@@ -161,6 +164,42 @@ class CefQuotaPermissionContext : public content::QuotaPermissionContext {
   }
 };
 
+class CefPluginServiceFilter : public content::PluginServiceFilter {
+ public:
+  CefPluginServiceFilter() {}
+  virtual ~CefPluginServiceFilter() {}
+
+  virtual bool ShouldUsePlugin(int render_process_id,
+                               int render_view_id,
+                               const void* context,
+                               const GURL& url,
+                               const GURL& policy_url,
+                               webkit::WebPluginInfo* plugin) OVERRIDE {
+    bool allowed = true;
+
+    CefRefPtr<CefBrowserHostImpl> browser =
+        CefBrowserHostImpl::GetBrowserByRoutingID(render_process_id,
+                                                  render_view_id);
+    if (browser.get()) {
+      CefRefPtr<CefClient> client = browser->GetClient();
+      if (client.get()) {
+        CefRefPtr<CefRequestHandler> handler = client->GetRequestHandler();
+        if (handler.get()) {
+          CefRefPtr<CefWebPluginInfoImpl> pluginInfo(
+              new CefWebPluginInfoImpl(*plugin));
+          allowed =
+              !handler->OnBeforePluginLoad(browser.get(),
+                                           url.possibly_invalid_spec(),
+                                           policy_url.possibly_invalid_spec(),
+                                           pluginInfo.get());
+        }
+      }
+    }
+
+    return allowed;
+  }
+};
+
 }  // namespace
 
 
@@ -192,6 +231,8 @@ class CefMediaObserver : public content::MediaObserver {
 
 CefContentBrowserClient::CefContentBrowserClient()
     : browser_main_parts_(NULL) {
+  plugin_service_filter_.reset(new CefPluginServiceFilter);
+  PluginServiceImpl::GetInstance()->SetFilter(plugin_service_filter_.get());
 }
 
 CefContentBrowserClient::~CefContentBrowserClient() {

libcef/browser/content_browser_client.h

@@ -19,6 +19,7 @@ class CefMediaObserver;
 class CefResourceDispatcherHostDelegate;
 
 namespace content {
+class PluginServiceFilter;
 class SiteInstance;
 }
 
@@ -54,6 +55,7 @@ class CefContentBrowserClient : public content::ContentBrowserClient {
   CefBrowserMainParts* browser_main_parts_;
 
   scoped_ptr<CefMediaObserver> media_observer_;
+  scoped_ptr<content::PluginServiceFilter> plugin_service_filter_;
   scoped_ptr<CefResourceDispatcherHostDelegate>
       resource_dispatcher_host_delegate_;
 };

libcef/browser/web_plugin_impl.cc

@@ -2,7 +2,7 @@
 // reserved. Use of this source code is governed by a BSD-style license that
 // can be found in the LICENSE file.
 
-#include "include/cef_web_plugin.h"
+#include "libcef/browser/web_plugin_impl.h"
 #include "libcef/browser/context.h"
 #include "libcef/browser/thread_util.h"
 
@@ -12,34 +12,6 @@
 
 namespace {
 
-class CefWebPluginInfoImpl : public CefWebPluginInfo {
- public:
-  explicit CefWebPluginInfoImpl(const webkit::WebPluginInfo& plugin_info)
-      : plugin_info_(plugin_info) {
-  }
-
-  virtual CefString GetName() OVERRIDE {
-    return plugin_info_.name;
-  }
-
-  virtual CefString GetPath() OVERRIDE {
-    return plugin_info_.path.value();
-  }
-
-  virtual CefString GetVersion() OVERRIDE {
-    return plugin_info_.version;
-  }
-
-  virtual CefString GetDescription() OVERRIDE {
-    return plugin_info_.desc;
-  }
-
- private:
-  webkit::WebPluginInfo plugin_info_;
-
-  IMPLEMENT_REFCOUNTING(CefWebPluginInfoImpl);
-};
-
 void PluginsCallbackImpl(
     CefRefPtr<CefWebPluginInfoVisitor> visitor,
     const std::vector<webkit::WebPluginInfo>& all_plugins) {
@@ -58,6 +30,33 @@ void PluginsCallbackImpl(
 
 }  // namespace
 
+
+// CefWebPluginInfoImpl
+
+CefWebPluginInfoImpl::CefWebPluginInfoImpl(
+    const webkit::WebPluginInfo& plugin_info)
+    : plugin_info_(plugin_info) {
+}
+
+CefString CefWebPluginInfoImpl::GetName() {
+  return plugin_info_.name;
+}
+
+CefString CefWebPluginInfoImpl::GetPath() {
+  return plugin_info_.path.value();
+}
+
+CefString CefWebPluginInfoImpl::GetVersion() {
+  return plugin_info_.version;
+}
+
+CefString CefWebPluginInfoImpl::GetDescription() {
+  return plugin_info_.desc;
+}
+
+
+// Global functions.
+
 void CefVisitWebPluginInfo(CefRefPtr<CefWebPluginInfoVisitor> visitor) {
   // Verify that the context is in a valid state.
   if (!CONTEXT_STATE_VALID()) {
@@ -65,6 +64,11 @@ void CefVisitWebPluginInfo(CefRefPtr<CefWebPluginInfoVisitor> visitor) {
     return;
   }
 
+  if (!visitor.get()) {
+    NOTREACHED() << "invalid parameter";
+    return;
+  }
+
   if (CEF_CURRENTLY_ON_UIT()) {
     PluginServiceImpl::GetInstance()->GetPlugins(
         base::Bind(PluginsCallbackImpl, visitor));
@@ -73,3 +77,141 @@ void CefVisitWebPluginInfo(CefRefPtr<CefWebPluginInfoVisitor> visitor) {
     CEF_POST_TASK(CEF_UIT, base::Bind(CefVisitWebPluginInfo, visitor));
   }
 }
+
+void CefRefreshWebPlugins() {
+  // Verify that the context is in a valid state.
+  if (!CONTEXT_STATE_VALID()) {
+    NOTREACHED() << "context not valid";
+    return;
+  }
+
+  // No thread affinity.
+  PluginServiceImpl::GetInstance()->RefreshPlugins();
+}
+
+void CefAddWebPluginPath(const CefString& path) {
+  // Verify that the context is in a valid state.
+  if (!CONTEXT_STATE_VALID()) {
+    NOTREACHED() << "context not valid";
+    return;
+  }
+
+  if (path.empty()) {
+    NOTREACHED() << "invalid parameter";
+    return;
+  }
+
+  // No thread affinity.
+  PluginServiceImpl::GetInstance()->AddExtraPluginPath(FilePath(path));
+}
+
+void CefAddWebPluginDirectory(const CefString& dir) {
+  // Verify that the context is in a valid state.
+  if (!CONTEXT_STATE_VALID()) {
+    NOTREACHED() << "context not valid";
+    return;
+  }
+
+  if (dir.empty()) {
+    NOTREACHED() << "invalid parameter";
+    return;
+  }
+
+  // No thread affinity.
+  PluginServiceImpl::GetInstance()->AddExtraPluginDir(FilePath(dir));
+}
+
+void CefRemoveWebPluginPath(const CefString& path) {
+  // Verify that the context is in a valid state.
+  if (!CONTEXT_STATE_VALID()) {
+    NOTREACHED() << "context not valid";
+    return;
+  }
+
+  if (path.empty()) {
+    NOTREACHED() << "invalid parameter";
+    return;
+  }
+
+  // No thread affinity.
+  PluginServiceImpl::GetInstance()->RemoveExtraPluginPath(FilePath(path));
+}
+
+void CefUnregisterInternalWebPlugin(const CefString& path) {
+  // Verify that the context is in a valid state.
+  if (!CONTEXT_STATE_VALID()) {
+    NOTREACHED() << "context not valid";
+    return;
+  }
+
+  if (path.empty()) {
+    NOTREACHED() << "invalid parameter";
+    return;
+  }
+
+  // No thread affinity.
+  PluginServiceImpl::GetInstance()->UnregisterInternalPlugin(FilePath(path));
+}
+
+void CefForceWebPluginShutdown(const CefString& path) {
+  // Verify that the context is in a valid state.
+  if (!CONTEXT_STATE_VALID()) {
+    NOTREACHED() << "context not valid";
+    return;
+  }
+
+  if (path.empty()) {
+    NOTREACHED() << "invalid parameter";
+    return;
+  }
+
+  if (CEF_CURRENTLY_ON_IOT()) {
+    PluginServiceImpl::GetInstance()->ForcePluginShutdown(FilePath(path));
+  } else {
+    // Execute on the IO thread.
+    CEF_POST_TASK(CEF_IOT, base::Bind(CefForceWebPluginShutdown, path));
+  }
+}
+
+void CefRegisterWebPluginCrash(const CefString& path) {
+  // Verify that the context is in a valid state.
+  if (!CONTEXT_STATE_VALID()) {
+    NOTREACHED() << "context not valid";
+    return;
+  }
+
+  if (path.empty()) {
+    NOTREACHED() << "invalid parameter";
+    return;
+  }
+
+  if (CEF_CURRENTLY_ON_IOT()) {
+    PluginServiceImpl::GetInstance()->RegisterPluginCrash(FilePath(path));
+  } else {
+    // Execute on the IO thread.
+    CEF_POST_TASK(CEF_IOT, base::Bind(CefRegisterWebPluginCrash, path));
+  }
+}
+
+void CefIsWebPluginUnstable(
+    const CefString& path,
+    CefRefPtr<CefWebPluginUnstableCallback> callback) {
+  // Verify that the context is in a valid state.
+  if (!CONTEXT_STATE_VALID()) {
+    NOTREACHED() << "context not valid";
+    return;
+  }
+
+  if (path.empty() || !callback.get()) {
+    NOTREACHED() << "invalid parameter";
+    return;
+  }
+
+  if (CEF_CURRENTLY_ON_IOT()) {
+    callback->IsUnstable(path,
+        PluginServiceImpl::GetInstance()->IsPluginUnstable(FilePath(path)));
+  } else {
+    // Execute on the IO thread.
+    CEF_POST_TASK(CEF_IOT, base::Bind(CefIsWebPluginUnstable, path, callback));
+  }
+}

libcef/browser/web_plugin_impl.h

@@ -0,0 +1,27 @@
+// Copyright (c) 2012 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+
+#ifndef CEF_LIBCEF_BROWSER_WEB_PLUGIN_IMPL_H_
+#define CEF_LIBCEF_BROWSER_WEB_PLUGIN_IMPL_H_
+#pragma once
+
+#include "include/cef_web_plugin.h"
+#include "webkit/plugins/webplugininfo.h"
+
+class CefWebPluginInfoImpl : public CefWebPluginInfo {
+ public:
+  explicit CefWebPluginInfoImpl(const webkit::WebPluginInfo& plugin_info);
+
+  virtual CefString GetName() OVERRIDE;
+  virtual CefString GetPath() OVERRIDE;
+  virtual CefString GetVersion() OVERRIDE;
+  virtual CefString GetDescription() OVERRIDE;
+
+ private:
+  webkit::WebPluginInfo plugin_info_;
+
+  IMPLEMENT_REFCOUNTING(CefWebPluginInfoImpl);
+};
+
+#endif  // CEF_LIBCEF_BROWSER_WEB_PLUGIN_IMPL_H_

libcef_dll/cpptoc/request_handler_cpptoc.cc

@@ -18,6 +18,7 @@
 #include "libcef_dll/ctocpp/frame_ctocpp.h"
 #include "libcef_dll/ctocpp/quota_callback_ctocpp.h"
 #include "libcef_dll/ctocpp/request_ctocpp.h"
+#include "libcef_dll/ctocpp/web_plugin_info_ctocpp.h"
 
 
 // MEMBER FUNCTIONS - Body may be edited by hand.
@@ -264,6 +265,36 @@ void CEF_CALLBACK request_handler_on_protocol_execution(
     *allow_os_execution = allow_os_executionBool?true:false;
 }
 
+int CEF_CALLBACK request_handler_on_before_plugin_load(
+    struct _cef_request_handler_t* self, cef_browser_t* browser,
+    const cef_string_t* url, const cef_string_t* policy_url,
+    struct _cef_web_plugin_info_t* info) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  DCHECK(self);
+  if (!self)
+    return 0;
+  // Verify param: browser; type: refptr_diff
+  DCHECK(browser);
+  if (!browser)
+    return 0;
+  // Verify param: info; type: refptr_diff
+  DCHECK(info);
+  if (!info)
+    return 0;
+  // Unverified params: url, policy_url
+
+  // Execute
+  bool _retval = CefRequestHandlerCppToC::Get(self)->OnBeforePluginLoad(
+      CefBrowserCToCpp::Wrap(browser),
+      CefString(url),
+      CefString(policy_url),
+      CefWebPluginInfoCToCpp::Wrap(info));
+
+  // Return type: bool
+  return _retval;
+}
+
 
 // CONSTRUCTOR - Do not edit by hand.
 
@@ -278,6 +309,7 @@ CefRequestHandlerCppToC::CefRequestHandlerCppToC(CefRequestHandler* cls)
   struct_.struct_.on_quota_request = request_handler_on_quota_request;
   struct_.struct_.get_cookie_manager = request_handler_get_cookie_manager;
   struct_.struct_.on_protocol_execution = request_handler_on_protocol_execution;
+  struct_.struct_.on_before_plugin_load = request_handler_on_before_plugin_load;
 }
 
 #ifndef NDEBUG

libcef_dll/cpptoc/web_plugin_unstable_callback_cpptoc.cc

@@ -0,0 +1,53 @@
+// Copyright (c) 2012 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+//
+// ---------------------------------------------------------------------------
+//
+// This file was generated by the CEF translator tool. If making changes by
+// hand only do so within the body of existing method and function
+// implementations. See the translator.README.txt file in the tools directory
+// for more information.
+//
+
+#include "libcef_dll/cpptoc/web_plugin_unstable_callback_cpptoc.h"
+
+
+// MEMBER FUNCTIONS - Body may be edited by hand.
+
+void CEF_CALLBACK web_plugin_unstable_callback_is_unstable(
+    struct _cef_web_plugin_unstable_callback_t* self, const cef_string_t* path,
+    int unstable) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  DCHECK(self);
+  if (!self)
+    return;
+  // Verify param: path; type: string_byref_const
+  DCHECK(path);
+  if (!path)
+    return;
+
+  // Execute
+  CefWebPluginUnstableCallbackCppToC::Get(self)->IsUnstable(
+      CefString(path),
+      unstable?true:false);
+}
+
+
+// CONSTRUCTOR - Do not edit by hand.
+
+CefWebPluginUnstableCallbackCppToC::CefWebPluginUnstableCallbackCppToC(
+    CefWebPluginUnstableCallback* cls)
+    : CefCppToC<CefWebPluginUnstableCallbackCppToC,
+        CefWebPluginUnstableCallback, cef_web_plugin_unstable_callback_t>(
+        cls) {
+  struct_.struct_.is_unstable = web_plugin_unstable_callback_is_unstable;
+}
+
+#ifndef NDEBUG
+template<> long CefCppToC<CefWebPluginUnstableCallbackCppToC,
+    CefWebPluginUnstableCallback,
+    cef_web_plugin_unstable_callback_t>::DebugObjCt = 0;
+#endif
+

libcef_dll/cpptoc/web_plugin_unstable_callback_cpptoc.h

@@ -0,0 +1,38 @@
+// Copyright (c) 2012 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+//
+// ---------------------------------------------------------------------------
+//
+// This file was generated by the CEF translator tool. If making changes by
+// hand only do so within the body of existing method and function
+// implementations. See the translator.README.txt file in the tools directory
+// for more information.
+//
+
+#ifndef CEF_LIBCEF_DLL_CPPTOC_WEB_PLUGIN_UNSTABLE_CALLBACK_CPPTOC_H_
+#define CEF_LIBCEF_DLL_CPPTOC_WEB_PLUGIN_UNSTABLE_CALLBACK_CPPTOC_H_
+#pragma once
+
+#ifndef USING_CEF_SHARED
+#pragma message("Warning: "__FILE__" may be accessed wrapper-side only")
+#else  // USING_CEF_SHARED
+
+#include "include/cef_web_plugin.h"
+#include "include/capi/cef_web_plugin_capi.h"
+#include "libcef_dll/cpptoc/cpptoc.h"
+
+// Wrap a C++ class with a C structure.
+// This class may be instantiated and accessed wrapper-side only.
+class CefWebPluginUnstableCallbackCppToC
+    : public CefCppToC<CefWebPluginUnstableCallbackCppToC,
+        CefWebPluginUnstableCallback, cef_web_plugin_unstable_callback_t> {
+ public:
+  explicit CefWebPluginUnstableCallbackCppToC(
+      CefWebPluginUnstableCallback* cls);
+  virtual ~CefWebPluginUnstableCallbackCppToC() {}
+};
+
+#endif  // USING_CEF_SHARED
+#endif  // CEF_LIBCEF_DLL_CPPTOC_WEB_PLUGIN_UNSTABLE_CALLBACK_CPPTOC_H_
+

libcef_dll/ctocpp/request_handler_ctocpp.cc

@@ -16,6 +16,7 @@
 #include "libcef_dll/cpptoc/frame_cpptoc.h"
 #include "libcef_dll/cpptoc/quota_callback_cpptoc.h"
 #include "libcef_dll/cpptoc/request_cpptoc.h"
+#include "libcef_dll/cpptoc/web_plugin_info_cpptoc.h"
 #include "libcef_dll/ctocpp/request_handler_ctocpp.h"
 #include "libcef_dll/ctocpp/resource_handler_ctocpp.h"
 
@@ -244,6 +245,35 @@ void CefRequestHandlerCToCpp::OnProtocolExecution(CefRefPtr<CefBrowser> browser,
   allow_os_execution = allow_os_executionInt?true:false;
 }
 
+bool CefRequestHandlerCToCpp::OnBeforePluginLoad(CefRefPtr<CefBrowser> browser,
+    const CefString& url, const CefString& policy_url,
+    CefRefPtr<CefWebPluginInfo> info) {
+  if (CEF_MEMBER_MISSING(struct_, on_before_plugin_load))
+    return false;
+
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Verify param: browser; type: refptr_diff
+  DCHECK(browser.get());
+  if (!browser.get())
+    return false;
+  // Verify param: info; type: refptr_diff
+  DCHECK(info.get());
+  if (!info.get())
+    return false;
+  // Unverified params: url, policy_url
+
+  // Execute
+  int _retval = struct_->on_before_plugin_load(struct_,
+      CefBrowserCppToC::Wrap(browser),
+      url.GetStruct(),
+      policy_url.GetStruct(),
+      CefWebPluginInfoCppToC::Wrap(info));
+
+  // Return type: bool
+  return _retval?true:false;
+}
+
 
 #ifndef NDEBUG
 template<> long CefCToCpp<CefRequestHandlerCToCpp, CefRequestHandler,

libcef_dll/ctocpp/request_handler_ctocpp.h

@@ -53,6 +53,9 @@ class CefRequestHandlerCToCpp
       CefRefPtr<CefBrowser> browser, const CefString& main_url) OVERRIDE;
   virtual void OnProtocolExecution(CefRefPtr<CefBrowser> browser,
       const CefString& url, bool& allow_os_execution) OVERRIDE;
+  virtual bool OnBeforePluginLoad(CefRefPtr<CefBrowser> browser,
+      const CefString& url, const CefString& policy_url,
+      CefRefPtr<CefWebPluginInfo> info) OVERRIDE;
 };
 
 #endif  // BUILDING_CEF_SHARED

libcef_dll/ctocpp/web_plugin_unstable_callback_ctocpp.cc

@@ -0,0 +1,42 @@
+// Copyright (c) 2012 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+//
+// ---------------------------------------------------------------------------
+//
+// This file was generated by the CEF translator tool. If making changes by
+// hand only do so within the body of existing method and function
+// implementations. See the translator.README.txt file in the tools directory
+// for more information.
+//
+
+#include "libcef_dll/ctocpp/web_plugin_unstable_callback_ctocpp.h"
+
+
+// VIRTUAL METHODS - Body may be edited by hand.
+
+void CefWebPluginUnstableCallbackCToCpp::IsUnstable(const CefString& path,
+    bool unstable) {
+  if (CEF_MEMBER_MISSING(struct_, is_unstable))
+    return;
+
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Verify param: path; type: string_byref_const
+  DCHECK(!path.empty());
+  if (path.empty())
+    return;
+
+  // Execute
+  struct_->is_unstable(struct_,
+      path.GetStruct(),
+      unstable);
+}
+
+
+#ifndef NDEBUG
+template<> long CefCToCpp<CefWebPluginUnstableCallbackCToCpp,
+    CefWebPluginUnstableCallback,
+    cef_web_plugin_unstable_callback_t>::DebugObjCt = 0;
+#endif
+

libcef_dll/ctocpp/web_plugin_unstable_callback_ctocpp.h

@@ -0,0 +1,44 @@
+// Copyright (c) 2012 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+//
+// ---------------------------------------------------------------------------
+//
+// This file was generated by the CEF translator tool. If making changes by
+// hand only do so within the body of existing method and function
+// implementations. See the translator.README.txt file in the tools directory
+// for more information.
+//
+
+#ifndef CEF_LIBCEF_DLL_CTOCPP_WEB_PLUGIN_UNSTABLE_CALLBACK_CTOCPP_H_
+#define CEF_LIBCEF_DLL_CTOCPP_WEB_PLUGIN_UNSTABLE_CALLBACK_CTOCPP_H_
+#pragma once
+
+#ifndef BUILDING_CEF_SHARED
+#pragma message("Warning: "__FILE__" may be accessed DLL-side only")
+#else  // BUILDING_CEF_SHARED
+
+#include "include/cef_web_plugin.h"
+#include "include/capi/cef_web_plugin_capi.h"
+#include "libcef_dll/ctocpp/ctocpp.h"
+
+// Wrap a C structure with a C++ class.
+// This class may be instantiated and accessed DLL-side only.
+class CefWebPluginUnstableCallbackCToCpp
+    : public CefCToCpp<CefWebPluginUnstableCallbackCToCpp,
+        CefWebPluginUnstableCallback, cef_web_plugin_unstable_callback_t> {
+ public:
+  explicit CefWebPluginUnstableCallbackCToCpp(
+      cef_web_plugin_unstable_callback_t* str)
+      : CefCToCpp<CefWebPluginUnstableCallbackCToCpp,
+          CefWebPluginUnstableCallback, cef_web_plugin_unstable_callback_t>(
+          str) {}
+  virtual ~CefWebPluginUnstableCallbackCToCpp() {}
+
+  // CefWebPluginUnstableCallback methods
+  virtual void IsUnstable(const CefString& path, bool unstable) OVERRIDE;
+};
+
+#endif  // BUILDING_CEF_SHARED
+#endif  // CEF_LIBCEF_DLL_CTOCPP_WEB_PLUGIN_UNSTABLE_CALLBACK_CTOCPP_H_
+

libcef_dll/libcef_dll.cc

@@ -89,6 +89,7 @@
 #include "libcef_dll/ctocpp/v8accessor_ctocpp.h"
 #include "libcef_dll/ctocpp/v8handler_ctocpp.h"
 #include "libcef_dll/ctocpp/web_plugin_info_visitor_ctocpp.h"
+#include "libcef_dll/ctocpp/web_plugin_unstable_callback_ctocpp.h"
 #include "libcef_dll/ctocpp/write_handler_ctocpp.h"
 
 
@@ -216,6 +217,7 @@ CEF_EXPORT void cef_shutdown() {
   DCHECK_EQ(CefV8ValueCppToC::DebugObjCt, 0);
   DCHECK_EQ(CefWebPluginInfoCppToC::DebugObjCt, 0);
   DCHECK_EQ(CefWebPluginInfoVisitorCToCpp::DebugObjCt, 0);
+  DCHECK_EQ(CefWebPluginUnstableCallbackCToCpp::DebugObjCt, 0);
   DCHECK_EQ(CefWriteHandlerCToCpp::DebugObjCt, 0);
   DCHECK_EQ(CefXmlReaderCppToC::DebugObjCt, 0);
   DCHECK_EQ(CefZipReaderCppToC::DebugObjCt, 0);
@@ -518,3 +520,107 @@ CEF_EXPORT void cef_visit_web_plugin_info(
       CefWebPluginInfoVisitorCToCpp::Wrap(visitor));
 }
 
+CEF_EXPORT void cef_refresh_web_plugins() {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Execute
+  CefRefreshWebPlugins();
+}
+
+CEF_EXPORT void cef_add_web_plugin_path(const cef_string_t* path) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Verify param: path; type: string_byref_const
+  DCHECK(path);
+  if (!path)
+    return;
+
+  // Execute
+  CefAddWebPluginPath(
+      CefString(path));
+}
+
+CEF_EXPORT void cef_add_web_plugin_directory(const cef_string_t* dir) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Verify param: dir; type: string_byref_const
+  DCHECK(dir);
+  if (!dir)
+    return;
+
+  // Execute
+  CefAddWebPluginDirectory(
+      CefString(dir));
+}
+
+CEF_EXPORT void cef_remove_web_plugin_path(const cef_string_t* path) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Verify param: path; type: string_byref_const
+  DCHECK(path);
+  if (!path)
+    return;
+
+  // Execute
+  CefRemoveWebPluginPath(
+      CefString(path));
+}
+
+CEF_EXPORT void cef_unregister_internal_web_plugin(const cef_string_t* path) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Verify param: path; type: string_byref_const
+  DCHECK(path);
+  if (!path)
+    return;
+
+  // Execute
+  CefUnregisterInternalWebPlugin(
+      CefString(path));
+}
+
+CEF_EXPORT void cef_force_web_plugin_shutdown(const cef_string_t* path) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Verify param: path; type: string_byref_const
+  DCHECK(path);
+  if (!path)
+    return;
+
+  // Execute
+  CefForceWebPluginShutdown(
+      CefString(path));
+}
+
+CEF_EXPORT void cef_register_web_plugin_crash(const cef_string_t* path) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Verify param: path; type: string_byref_const
+  DCHECK(path);
+  if (!path)
+    return;
+
+  // Execute
+  CefRegisterWebPluginCrash(
+      CefString(path));
+}
+
+CEF_EXPORT void cef_is_web_plugin_unstable(const cef_string_t* path,
+    struct _cef_web_plugin_unstable_callback_t* callback) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Verify param: path; type: string_byref_const
+  DCHECK(path);
+  if (!path)
+    return;
+  // Verify param: callback; type: refptr_diff
+  DCHECK(callback);
+  if (!callback)
+    return;
+
+  // Execute
+  CefIsWebPluginUnstable(
+      CefString(path),
+      CefWebPluginUnstableCallbackCToCpp::Wrap(callback));
+}
+

libcef_dll/wrapper/libcef_dll_wrapper.cc

@@ -56,6 +56,7 @@
 #include "libcef_dll/cpptoc/v8accessor_cpptoc.h"
 #include "libcef_dll/cpptoc/v8handler_cpptoc.h"
 #include "libcef_dll/cpptoc/web_plugin_info_visitor_cpptoc.h"
+#include "libcef_dll/cpptoc/web_plugin_unstable_callback_cpptoc.h"
 #include "libcef_dll/cpptoc/write_handler_cpptoc.h"
 #include "libcef_dll/ctocpp/auth_callback_ctocpp.h"
 #include "libcef_dll/ctocpp/before_download_callback_ctocpp.h"
@@ -208,6 +209,7 @@ CEF_GLOBAL void CefShutdown() {
   DCHECK_EQ(CefV8ValueCToCpp::DebugObjCt, 0);
   DCHECK_EQ(CefWebPluginInfoCToCpp::DebugObjCt, 0);
   DCHECK_EQ(CefWebPluginInfoVisitorCppToC::DebugObjCt, 0);
+  DCHECK_EQ(CefWebPluginUnstableCallbackCppToC::DebugObjCt, 0);
   DCHECK_EQ(CefWriteHandlerCppToC::DebugObjCt, 0);
   DCHECK_EQ(CefXmlReaderCToCpp::DebugObjCt, 0);
   DCHECK_EQ(CefZipReaderCToCpp::DebugObjCt, 0);
@@ -470,3 +472,107 @@ CEF_GLOBAL void CefVisitWebPluginInfo(
       CefWebPluginInfoVisitorCppToC::Wrap(visitor));
 }
 
+CEF_GLOBAL void CefRefreshWebPlugins() {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Execute
+  cef_refresh_web_plugins();
+}
+
+CEF_GLOBAL void CefAddWebPluginPath(const CefString& path) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Verify param: path; type: string_byref_const
+  DCHECK(!path.empty());
+  if (path.empty())
+    return;
+
+  // Execute
+  cef_add_web_plugin_path(
+      path.GetStruct());
+}
+
+CEF_GLOBAL void CefAddWebPluginDirectory(const CefString& dir) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Verify param: dir; type: string_byref_const
+  DCHECK(!dir.empty());
+  if (dir.empty())
+    return;
+
+  // Execute
+  cef_add_web_plugin_directory(
+      dir.GetStruct());
+}
+
+CEF_GLOBAL void CefRemoveWebPluginPath(const CefString& path) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Verify param: path; type: string_byref_const
+  DCHECK(!path.empty());
+  if (path.empty())
+    return;
+
+  // Execute
+  cef_remove_web_plugin_path(
+      path.GetStruct());
+}
+
+CEF_GLOBAL void CefUnregisterInternalWebPlugin(const CefString& path) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Verify param: path; type: string_byref_const
+  DCHECK(!path.empty());
+  if (path.empty())
+    return;
+
+  // Execute
+  cef_unregister_internal_web_plugin(
+      path.GetStruct());
+}
+
+CEF_GLOBAL void CefForceWebPluginShutdown(const CefString& path) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Verify param: path; type: string_byref_const
+  DCHECK(!path.empty());
+  if (path.empty())
+    return;
+
+  // Execute
+  cef_force_web_plugin_shutdown(
+      path.GetStruct());
+}
+
+CEF_GLOBAL void CefRegisterWebPluginCrash(const CefString& path) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Verify param: path; type: string_byref_const
+  DCHECK(!path.empty());
+  if (path.empty())
+    return;
+
+  // Execute
+  cef_register_web_plugin_crash(
+      path.GetStruct());
+}
+
+CEF_GLOBAL void CefIsWebPluginUnstable(const CefString& path,
+    CefRefPtr<CefWebPluginUnstableCallback> callback) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Verify param: path; type: string_byref_const
+  DCHECK(!path.empty());
+  if (path.empty())
+    return;
+  // Verify param: callback; type: refptr_diff
+  DCHECK(callback.get());
+  if (!callback.get())
+    return;
+
+  // Execute
+  cef_is_web_plugin_unstable(
+      path.GetStruct(),
+      CefWebPluginUnstableCallbackCppToC::Wrap(callback));
+}
+