Deal with frame removal by content scripts

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"
@@ skipping 115 matching lines @@
     const std::string& mime_type,
     const GURL& original_url) {
   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);
+}
+
+void ShellContentRendererClient::RunScriptsAtDocumentEnd(
+    content::RenderFrame* render_frame) {
+  extension_dispatcher_->RunScriptsAtDocumentEnd(render_frame);
+}
+
 ExtensionsClient* ShellContentRendererClient::CreateExtensionsClient() {
   return new ShellExtensionsClient;
 }
 
 }  // namespace extensions