Fix race where sometimes CSS is not applied to toolstrips. I

chrome/browser/extensions/extension_host.h

 // Copyright (c) 2006-2009 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_HOST_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_HOST_H_
 
 #include "chrome/browser/renderer_host/render_view_host_delegate.h"
 #include "chrome/browser/tab_contents/render_view_host_delegate_helper.h"
 
@@ skipping 33 matching lines @@
   virtual void RenderViewCreated(RenderViewHost* render_view_host);
   virtual void DidContentsPreferredWidthChange(const int pref_width);
   virtual WebPreferences GetWebkitPrefs();
   virtual void RunJavaScriptMessage(
       const std::wstring& message,
       const std::wstring& default_prompt,
       const GURL& frame_url,
       const int flags,
       IPC::Message* reply_msg,
       bool* did_suppress_message);
-  virtual void DidStartLoading(RenderViewHost* render_view_host);
   virtual void DidStopLoading(RenderViewHost* render_view_host);
   virtual RenderViewHostDelegate::View* GetViewDelegate() const;
   virtual ExtensionFunctionDispatcher* CreateExtensionFunctionDispatcher(
       RenderViewHost *render_view_host, const std::string& extension_id);
 
   // RenderViewHostDelegate::View
   virtual void CreateNewWindow(int route_id,
                                base::WaitableEvent* modal_dialog_event);
   virtual void CreateNewWidget(int route_id, bool activatable);
   virtual void ShowCreatedWindow(int route_id,
@@ skipping 26 matching lines @@
   // Common implementations of some RenderViewHostDelegate::View methods.
   RenderViewHostDelegateViewHelper delegate_view_helper_;
 
   // Whether the RenderWidget has reported that it has stopped loading.
   bool did_stop_loading_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionHost);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_HOST_H_