Remove some code left over after r191766.

content/public/test/mock_render_thread.cc

 // 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.
 
 #include "content/public/test/mock_render_thread.h"
 
 #include "base/message_loop/message_loop_proxy.h"
 #include "content/common/frame_messages.h"
 #include "content/common/view_messages.h"
 #include "content/public/renderer/render_process_observer.h"
@@ skipping 151 matching lines @@
 }
 
 int64 MockRenderThread::GetIdleNotificationDelayInMs() const {
   return 0;
 }
 
 void MockRenderThread::SetIdleNotificationDelayInMs(
     int64 idle_notification_delay_in_ms) {
 }
 
-void MockRenderThread::ToggleWebKitSharedTimer(bool suspend) {
-}
-
 void MockRenderThread::UpdateHistograms(int sequence_number) {
 }
 
 int MockRenderThread::PostTaskToAllWebWorkers(const base::Closure& closure) {
   return 0;
 }
 
 bool MockRenderThread::ResolveProxy(const GURL& url, std::string* proxy_list) {
   return false;
 }
@@ skipping 73 matching lines @@
 void MockRenderThread::OnDuplicateSection(
     base::SharedMemoryHandle renderer_handle,
     base::SharedMemoryHandle* browser_handle) {
   // We don't have to duplicate the input handles since RenderViewTest does not
   // separate a browser process from a renderer process.
   *browser_handle = renderer_handle;
 }
 #endif  // defined(OS_WIN)
 
 }  // namespace content