diff --git chrome/browser/extensions/api/streams_private/streams_private_api.cc chrome/browser/extensions/api/streams_private/streams_private_api.cc
index 2f5f7a7645103..9ab6fc1d4a654 100644
--- chrome/browser/extensions/api/streams_private/streams_private_api.cc
+++ chrome/browser/extensions/api/streams_private/streams_private_api.cc
@@ -6,6 +6,7 @@
#include <utility>
+#include "cef/libcef/features/runtime.h"
#include "chrome/browser/extensions/extension_tab_util.h"
#include "chrome/browser/prefetch/no_state_prefetch/chrome_no_state_prefetch_contents_delegate.h"
#include "components/no_state_prefetch/browser/no_state_prefetch_contents.h"
@@ -18,6 +19,10 @@
#include "extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.h"
#include "extensions/common/manifest_handlers/mime_types_handler.h"
+#if BUILDFLAG(ENABLE_CEF)
+#include "cef/libcef/browser/extensions/alloy_extensions_util.h"
+#endif
+
namespace extensions {
void StreamsPrivateAPI::SendExecuteMimeTypeHandlerEvent(
@@ -34,6 +39,7 @@ void StreamsPrivateAPI::SendExecuteMimeTypeHandlerEvent(
if (!web_contents)
return;
+ if (!cef::IsAlloyRuntimeEnabled()) {
// If the request was for NoStatePrefetch, abort the prefetcher and do not
// continue. This is because plugins cancel NoStatePrefetch, see
// http://crbug.com/343590.
@@ -44,6 +50,7 @@ void StreamsPrivateAPI::SendExecuteMimeTypeHandlerEvent(
no_state_prefetch_contents->Destroy(prerender::FINAL_STATUS_DOWNLOAD);
return;
}
+ }
auto* browser_context = web_contents->GetBrowserContext();
@@ -70,9 +77,18 @@ void StreamsPrivateAPI::SendExecuteMimeTypeHandlerEvent(
// forms of zooming won't work).
// TODO(1042323): Present a coherent representation of a tab id for portal
// contents.
- int tab_id = web_contents->GetOuterWebContents()
- ? SessionID::InvalidValue().id()
- : ExtensionTabUtil::GetTabId(web_contents);
+ int tab_id;
+ if (web_contents->GetOuterWebContents()) {
+ tab_id = SessionID::InvalidValue().id();
+ } else
+#if BUILDFLAG(ENABLE_CEF)
+ if (cef::IsAlloyRuntimeEnabled()) {
+ tab_id = alloy::GetTabIdForWebContents(web_contents);
+ } else
+#endif // BUILDFLAG(ENABLE_CEF)
+ {
+ tab_id = ExtensionTabUtil::GetTabId(web_contents);
+ }
std::unique_ptr<StreamContainer> stream_container(
new StreamContainer(tab_id, embedded, handler_url, extension_id,
diff --git extensions/browser/extension_host.cc extensions/browser/extension_host.cc
index 70279e6b632ad..7d6b662e51957 100644
--- extensions/browser/extension_host.cc
+++ extensions/browser/extension_host.cc
@@ -58,11 +58,12 @@ ExtensionHost::ExtensionHost(const Extension* extension,
DCHECK(host_type == mojom::ViewType::kExtensionBackgroundPage ||
host_type == mojom::ViewType::kExtensionDialog ||
host_type == mojom::ViewType::kExtensionPopup);
- host_contents_ = WebContents::Create(
+ host_contents_owned_ = WebContents::Create(
WebContents::CreateParams(browser_context_, site_instance)),
- content::WebContentsObserver::Observe(host_contents_.get());
+ host_contents_ = host_contents_owned_.get();
+ content::WebContentsObserver::Observe(host_contents_);
host_contents_->SetDelegate(this);
- SetViewType(host_contents_.get(), host_type);
+ SetViewType(host_contents_, host_type);
main_frame_host_ = host_contents_->GetPrimaryMainFrame();
// Listen for when an extension is unloaded from the same profile, as it may
@@ -77,6 +78,44 @@ ExtensionHost::ExtensionHost(const Extension* extension,
ExtensionHostRegistry::Get(browser_context_)->ExtensionHostCreated(this);
}
+ExtensionHost::ExtensionHost(ExtensionHostDelegate* delegate,
+ const Extension* extension,
+ content::BrowserContext* browser_context,
+ content::WebContents* host_contents,
+ const GURL& url,
+ mojom::ViewType host_type)
+ : delegate_(delegate),
+ extension_(extension),
+ extension_id_(extension->id()),
+ browser_context_(browser_context),
+ host_contents_(host_contents),
+ initial_url_(url),
+ extension_host_type_(host_type) {
+ DCHECK(delegate);
+ DCHECK(browser_context);
+ DCHECK(host_contents);
+
+ // Not used for panels, see PanelHost.
+ DCHECK(host_type == mojom::ViewType::kExtensionBackgroundPage ||
+ host_type == mojom::ViewType::kExtensionDialog ||
+ host_type == mojom::ViewType::kExtensionPopup);
+
+ content::WebContentsObserver::Observe(host_contents_);
+ SetViewType(host_contents_, host_type);
+
+ main_frame_host_ = host_contents_->GetMainFrame();
+
+ // Listen for when an extension is unloaded from the same profile, as it may
+ // be the same extension that this points to.
+ ExtensionRegistry::Get(browser_context_)->AddObserver(this);
+
+ // Set up web contents observers and pref observers.
+ delegate_->OnExtensionHostCreated(host_contents_);
+
+ ExtensionWebContentsObserver::GetForWebContents(host_contents_)->
+ dispatcher()->set_delegate(this);
+}
+
ExtensionHost::~ExtensionHost() {
ExtensionRegistry::Get(browser_context_)->RemoveObserver(this);
diff --git extensions/browser/extension_host.h extensions/browser/extension_host.h
index dd22bbc07fb52..c695ece6b1a47 100644
--- extensions/browser/extension_host.h
+++ extensions/browser/extension_host.h
@@ -53,6 +53,12 @@ class ExtensionHost : public DeferredStartRenderHost,
content::SiteInstance* site_instance,
const GURL& url,
mojom::ViewType host_type);
+ ExtensionHost(ExtensionHostDelegate* delegate,
+ const Extension* extension,
+ content::BrowserContext* browser_context,
+ content::WebContents* host_contents,
+ const GURL& url,
+ mojom::ViewType host_type);
ExtensionHost(const ExtensionHost&) = delete;
ExtensionHost& operator=(const ExtensionHost&) = delete;
@@ -63,7 +69,7 @@ class ExtensionHost : public DeferredStartRenderHost,
const Extension* extension() const { return extension_; }
const std::string& extension_id() const { return extension_id_; }
- content::WebContents* host_contents() const { return host_contents_.get(); }
+ content::WebContents* host_contents() const { return host_contents_; }
content::RenderFrameHost* main_frame_host() const { return main_frame_host_; }
content::RenderProcessHost* render_process_host() const;
bool has_loaded_once() const { return has_loaded_once_; }
@@ -188,7 +194,8 @@ class ExtensionHost : public DeferredStartRenderHost,
raw_ptr<content::BrowserContext> browser_context_;
// The host for our HTML content.
- std::unique_ptr<content::WebContents> host_contents_;
+ std::unique_ptr<content::WebContents> host_contents_owned_;
+ content::WebContents* host_contents_;
// A pointer to the current or speculative main frame in `host_contents_`. We
// can't access this frame through the `host_contents_` directly as it does
diff --git extensions/browser/extensions_browser_client.h extensions/browser/extensions_browser_client.h
index f87cf6d3bb4b6..bd2f3b576b004 100644
--- extensions/browser/extensions_browser_client.h
+++ extensions/browser/extensions_browser_client.h
@@ -31,6 +31,7 @@
#include "url/gurl.h"
class ExtensionFunctionRegistry;
+class GURL;
class PrefService;
namespace base {
@@ -73,6 +74,7 @@ class ComponentExtensionResourceManager;
class Extension;
class ExtensionCache;
class ExtensionError;
+class ExtensionHost;
class ExtensionHostDelegate;
class ExtensionSet;
class ExtensionSystem;
@@ -219,6 +221,14 @@ class ExtensionsBrowserClient {
virtual std::unique_ptr<ExtensionHostDelegate>
CreateExtensionHostDelegate() = 0;
+ // CEF creates a custom ExtensionHost for background pages. If the return
+ // value is true and |host| is NULL then fail the background host creation.
+ virtual bool CreateBackgroundExtensionHost(
+ const Extension* extension,
+ content::BrowserContext* browser_context,
+ const GURL& url,
+ ExtensionHost** host) { return false; }
+
// Returns true if the client version has updated since the last run. Called
// once each time the extensions system is loaded per browser_context. The
// implementation may wish to use the BrowserContext to record the current
diff --git extensions/browser/process_manager.cc extensions/browser/process_manager.cc
index 4d09fbd93cd97..e6bc21a1adf49 100644
--- extensions/browser/process_manager.cc
+++ extensions/browser/process_manager.cc
@@ -393,9 +393,17 @@ bool ProcessManager::CreateBackgroundHost(const Extension* extension,
return true; // TODO(kalman): return false here? It might break things...
DVLOG(1) << "CreateBackgroundHost " << extension->id();
- ExtensionHost* host =
+ ExtensionHost* host = nullptr;
+ if (ExtensionsBrowserClient::Get()->CreateBackgroundExtensionHost(
+ extension, browser_context_, url, &host) && !host) {
+ // Explicitly fail if the client can't create the host.
+ return false;
+ }
+ if (!host) {
+ host =
new ExtensionHost(extension, GetSiteInstanceForURL(url).get(), url,
mojom::ViewType::kExtensionBackgroundPage);
+ }
host->CreateRendererSoon();
OnBackgroundHostCreated(host);
return true;