Fix a regression where extension APIs would sometimes not be available on the

content/browser/renderer_host/mock_render_process_host.h

 // Copyright (c) 2011 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_BROWSER_RENDERER_HOST_MOCK_RENDER_PROCESS_HOST_H_
 #define CONTENT_BROWSER_RENDERER_HOST_MOCK_RENDER_PROCESS_HOST_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_vector.h"
@@ skipping 18 matching lines @@
   // renderer via this RenderProcessHost.
   IPC::TestSink& sink() { return sink_; }
 
   // Provides tests access to the max page ID currently used for this process.
   int max_page_id() const { return max_page_id_; }
 
   // Provides test access to how many times a bad message has been received.
   int bad_msg_count() const { return bad_msg_count_; }
 
   // RenderProcessHost implementation (public portion).
+  virtual void EnableSendQueue();
   virtual bool Init(bool is_accessibility_enabled);
   virtual int GetNextRoutingID();
   virtual void CancelResourceRequests(int render_widget_id);
   virtual void CrossSiteSwapOutACK(const ViewMsg_SwapOut_Params& params);
   virtual bool WaitForUpdateMsg(int render_widget_id,
                                 const base::TimeDelta& max_delay,
                                 IPC::Message* msg);
   virtual void ReceivedBadMessage();
   virtual void WidgetRestored();
   virtual void WidgetHidden();
@@ skipping 41 matching lines @@
  private:
   // A list of MockRenderProcessHosts created by this object. This list is used
   // for deleting all MockRenderProcessHosts that have not deleted by a test in
   // the destructor and prevent them from being leaked.
   mutable ScopedVector<MockRenderProcessHost> processes_;
 
   DISALLOW_COPY_AND_ASSIGN(MockRenderProcessHostFactory);
 };
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_MOCK_RENDER_PROCESS_HOST_H_