Fix client-side phishing detection test flakiness and ChromeOS failure.

content/renderer/render_thread_impl.h

 // Copyright (c) 2012 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 CONTENT_RENDERER_RENDER_THREAD_IMPL_H_
 #define CONTENT_RENDERER_RENDER_THREAD_IMPL_H_
 #pragma once
 
 #include <set>
 #include <string>
@@ skipping 198 matching lines @@
   // Returns a MessageLoopProxy instance corresponding to the message loop
   // of the thread on which file operations should be run. Must be called
   // on the renderer's main thread.
   scoped_refptr<base::MessageLoopProxy> GetFileThreadMessageLoopProxy();
 
   // Causes the idle handler to skip sending idle notifications
   // on the two next scheduled calls, so idle notifications are
   // not sent for at least one notification delay.
   void PostponeIdleNotification();
 
+ protected:
+  // Subclasses can provide their own WebKitPlatformSupport implementation by
+  // overriding this method.
+  virtual RendererWebKitPlatformSupportImpl* CreateWebKitPlatformSupport();
+
  private:
   virtual bool OnControlMessageReceived(const IPC::Message& msg) OVERRIDE;
 
   void Init();
 
   void OnSetZoomLevelForCurrentURL(const std::string& host, double zoom_level);
   void OnSetCSSColors(const std::vector<CSSColors::CSSColorMapping>& colors);
   void OnCreateNewView(const ViewMsg_New_Params& params);
   void OnTransferBitmap(const SkBitmap& bitmap, int resource_id);
   void OnPurgePluginListCache(bool reload_pages);
@@ skipping 62 matching lines @@
   bool compositor_initialized_;
   scoped_ptr<CompositorThread> compositor_thread_;
   scoped_ptr<content::BrowserPluginRegistry> browser_plugin_registry_;
 
   ObserverList<content::RenderProcessObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderThreadImpl);
 };
 
 #endif  // CONTENT_RENDERER_RENDER_THREAD_IMPL_H_