Update to Chromium revision 9cedf753 (#418732)

- Simplify usage of OnBeforePluginLoad (issue #2015)
- Switch crash reporting from crashpad to breakpad on Windows and OS X.
  Adds a new chrome_elf.dll dependency on Windows (issue #1995)
- Remove CefTextfield::GetPlaceholderTextColor() method which is no
  longer supported by Chromium.

libcef/browser/devtools_manager_delegate.cc

@@ -0,0 +1,144 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "libcef/browser/devtools_manager_delegate.h"
+
+#include <stdint.h>
+
+#include <vector>
+
+#include "libcef/browser/browser_host_impl.h"
+#include "libcef/common/content_client.h"
+
+#include "base/atomicops.h"
+#include "base/bind.h"
+#include "base/command_line.h"
+#include "base/files/file_path.h"
+#include "base/macros.h"
+#include "base/memory/ptr_util.h"
+#include "base/strings/string_number_conversions.h"
+#include "base/strings/stringprintf.h"
+#include "base/strings/utf_string_conversions.h"
+#include "build/build_config.h"
+#include "cef/grit/cef_resources.h"
+#include "content/public/browser/browser_context.h"
+#include "content/public/browser/devtools_agent_host.h"
+#include "content/public/browser/devtools_frontend_host.h"
+#include "content/public/browser/devtools_socket_factory.h"
+#include "content/public/browser/favicon_status.h"
+#include "content/public/browser/navigation_entry.h"
+#include "content/public/browser/render_view_host.h"
+#include "content/public/browser/web_contents.h"
+#include "content/public/common/content_switches.h"
+#include "content/public/common/url_constants.h"
+#include "content/public/common/user_agent.h"
+#include "net/base/net_errors.h"
+#include "net/socket/tcp_server_socket.h"
+#include "ui/base/resource/resource_bundle.h"
+
+namespace {
+
+const int kBackLog = 10;
+
+class TCPServerSocketFactory : public content::DevToolsSocketFactory {
+ public:
+  TCPServerSocketFactory(const std::string& address, uint16_t port)
+      : address_(address), port_(port) {}
+
+ private:
+  // content::DevToolsSocketFactory.
+  std::unique_ptr<net::ServerSocket> CreateForHttpServer() override {
+    std::unique_ptr<net::ServerSocket> socket(
+        new net::TCPServerSocket(nullptr, net::NetLog::Source()));
+    if (socket->ListenWithAddressAndPort(address_, port_, kBackLog) != net::OK)
+      return std::unique_ptr<net::ServerSocket>();
+    return socket;
+  }
+
+  std::unique_ptr<net::ServerSocket> CreateForTethering(
+      std::string* out_name) override {
+    return nullptr;
+  }
+
+  std::string address_;
+  uint16_t port_;
+
+  DISALLOW_COPY_AND_ASSIGN(TCPServerSocketFactory);
+};
+
+std::unique_ptr<content::DevToolsSocketFactory> CreateSocketFactory() {
+  const base::CommandLine& command_line =
+      *base::CommandLine::ForCurrentProcess();
+  // See if the user specified a port on the command line. Specifying 0 would
+  // result in the selection of an ephemeral port but that doesn't make sense
+  // for CEF where the URL is otherwise undiscoverable. Also, don't allow
+  // binding of ports between 0 and 1024 exclusive because they're normally
+  // restricted to root on Posix-based systems.
+  uint16_t port = 0;
+  if (command_line.HasSwitch(switches::kRemoteDebuggingPort)) {
+    int temp_port;
+    std::string port_str =
+        command_line.GetSwitchValueASCII(switches::kRemoteDebuggingPort);
+    if (base::StringToInt(port_str, &temp_port) &&
+        temp_port >= 1024 && temp_port < 65535) {
+      port = static_cast<uint16_t>(temp_port);
+    } else {
+      DLOG(WARNING) << "Invalid http debugger port number " << temp_port;
+    }
+  }
+  if (port == 0)
+    return nullptr;
+  return std::unique_ptr<content::DevToolsSocketFactory>(
+      new TCPServerSocketFactory("127.0.0.1", port));
+}
+
+} //  namespace
+
+// CefDevToolsManagerDelegate ----------------------------------------------
+
+// static
+void CefDevToolsManagerDelegate::StartHttpHandler(
+    content::BrowserContext* browser_context) {
+  std::unique_ptr<content::DevToolsSocketFactory> socket_factory =
+      CreateSocketFactory();
+  if (!socket_factory)
+    return;
+  content::DevToolsAgentHost::StartRemoteDebuggingServer(
+      std::move(socket_factory),
+      std::string(),
+      browser_context->GetPath(),
+      base::FilePath(),
+      std::string(),
+      CefContentClient::Get()->GetUserAgent());
+}
+
+// static
+void CefDevToolsManagerDelegate::StopHttpHandler() {
+  // This is a no-op if the server was never started.
+  content::DevToolsAgentHost::StopRemoteDebuggingServer();
+}
+
+CefDevToolsManagerDelegate::CefDevToolsManagerDelegate() {
+}
+
+CefDevToolsManagerDelegate::~CefDevToolsManagerDelegate() {
+}
+
+scoped_refptr<content::DevToolsAgentHost>
+CefDevToolsManagerDelegate::CreateNewTarget(const GURL& url) {
+  // This is reached when the user selects "Open link in new tab" from the
+  // DevTools interface.
+  // TODO(cef): Consider exposing new API to support this.
+  return nullptr;
+}
+
+std::string CefDevToolsManagerDelegate::GetDiscoveryPageHTML() {
+  return ui::ResourceBundle::GetSharedInstance().GetRawDataResource(
+      IDR_CEF_DEVTOOLS_DISCOVERY_PAGE).as_string();
+}
+
+std::string CefDevToolsManagerDelegate::GetFrontendResource(
+    const std::string& path) {
+  return content::DevToolsFrontendHost::GetFrontendResource(path).as_string();
+}