[Extensions Bindings] Request JS execution from messaging bindings

extensions/shell/renderer/shell_content_renderer_client.cc

 // Copyright 2014 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 "extensions/shell/renderer/shell_content_renderer_client.h"
 
 #include "content/public/common/content_constants.h"
 #include "content/public/renderer/render_frame.h"
 #include "content/public/renderer/render_frame_observer.h"
 #include "content/public/renderer/render_frame_observer_tracker.h"
 #include "content/public/renderer/render_thread.h"
 #include "extensions/common/extensions_client.h"
 #include "extensions/renderer/dispatcher.h"
-#include "extensions/renderer/dispatcher_delegate.h"
 #include "extensions/renderer/extension_frame_helper.h"
 #include "extensions/renderer/extension_helper.h"
 #include "extensions/renderer/guest_view/extensions_guest_view_container.h"
 #include "extensions/renderer/guest_view/extensions_guest_view_container_dispatcher.h"
 #include "extensions/renderer/guest_view/mime_handler_view/mime_handler_view_container.h"
 #include "extensions/shell/common/shell_extensions_client.h"
 #include "extensions/shell/renderer/shell_extensions_renderer_client.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 
 #if !defined(DISABLE_NACL)
@@ skipping 15 matching lines @@
 
 void ShellContentRendererClient::RenderThreadStarted() {
   RenderThread* thread = RenderThread::Get();
 
   extensions_client_.reset(CreateExtensionsClient());
   ExtensionsClient::Set(extensions_client_.get());
 
   extensions_renderer_client_.reset(new ShellExtensionsRendererClient);
   ExtensionsRendererClient::Set(extensions_renderer_client_.get());
 
-  extension_dispatcher_delegate_.reset(new DispatcherDelegate());
-
-  // Must be initialized after ExtensionsRendererClient.
-  extension_dispatcher_.reset(
-      new Dispatcher(extension_dispatcher_delegate_.get()));
-  thread->AddObserver(extension_dispatcher_.get());
+  thread->AddObserver(extensions_renderer_client_->GetDispatcher());
 
   guest_view_container_dispatcher_.reset(
       new ExtensionsGuestViewContainerDispatcher());
   thread->AddObserver(guest_view_container_dispatcher_.get());
 }
 
 void ShellContentRendererClient::RenderFrameCreated(
     content::RenderFrame* render_frame) {
+  Dispatcher* dispatcher = extensions_renderer_client_->GetDispatcher();
   // ExtensionFrameHelper destroys itself when the RenderFrame is destroyed.
-  new ExtensionFrameHelper(render_frame, extension_dispatcher_.get());
-  extension_dispatcher_->OnRenderFrameCreated(render_frame);
+  new ExtensionFrameHelper(render_frame, dispatcher);
+
+  dispatcher->OnRenderFrameCreated(render_frame);
 
   // TODO(jamescook): Do we need to add a new PepperHelper(render_frame) here?
   // It doesn't seem necessary for either Pepper or NaCl.
   // http://crbug.com/403004
 #if !defined(DISABLE_NACL)
   new nacl::NaClHelper(render_frame);
 #endif
 }
 
 void ShellContentRendererClient::RenderViewCreated(
     content::RenderView* render_view) {
-  new ExtensionHelper(render_view, extension_dispatcher_.get());
+  new ExtensionHelper(render_view,
+                      extensions_renderer_client_->GetDispatcher());
 }
 
 bool ShellContentRendererClient::OverrideCreatePlugin(
     content::RenderFrame* render_frame,
     const blink::WebPluginParams& params,
     blink::WebPlugin** plugin) {
   // Allow the content module to create the plugin.
   return false;
 }
 
@@ skipping 37 matching lines @@
   if (mime_type == content::kBrowserPluginMimeType) {
     return new extensions::ExtensionsGuestViewContainer(render_frame);
   } else {
     return new extensions::MimeHandlerViewContainer(
         render_frame, mime_type, original_url);
   }
 }
 
 void ShellContentRendererClient::RunScriptsAtDocumentStart(
     content::RenderFrame* render_frame) {
-  extension_dispatcher_->RunScriptsAtDocumentStart(render_frame);
+  extensions_renderer_client_->GetDispatcher()->RunScriptsAtDocumentStart(
+      render_frame);
 }
 
 void ShellContentRendererClient::RunScriptsAtDocumentEnd(
     content::RenderFrame* render_frame) {
-  extension_dispatcher_->RunScriptsAtDocumentEnd(render_frame);
+  extensions_renderer_client_->GetDispatcher()->RunScriptsAtDocumentEnd(
+      render_frame);
 }
 
 ExtensionsClient* ShellContentRendererClient::CreateExtensionsClient() {
   return new ShellExtensionsClient;
 }
 
 }  // namespace extensions