Histograms - Support histograms for Plugins, GPU

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 27 matching lines @@
 class VideoCaptureImplManager;
 struct ViewMsg_New_Params;
 class WebDatabaseObserverImpl;
 
 namespace WebKit {
 class WebMediaStreamCenter;
 class WebMediaStreamCenterClient;
 }
 
 namespace base {
+class HistogramSender;
 class MessageLoopProxy;
 class Thread;
 namespace win {
 class ScopedCOMInitializer;
 }
 }
 
 namespace content {
 class BrowserPluginChannelManager;
 class BrowserPluginRegistry;
@@ skipping 32 matching lines @@
   // When initializing WebKit, ensure that any schemes needed for the content
   // module are registered properly.  Static to allow sharing with tests.
   static void RegisterSchemes();
 
   // content::RenderThread implementation:
   virtual bool Send(IPC::Message* msg) OVERRIDE;
   virtual MessageLoop* GetMessageLoop() OVERRIDE;
   virtual IPC::SyncChannel* GetChannel() OVERRIDE;
   virtual std::string GetLocale() OVERRIDE;
   virtual IPC::SyncMessageFilter* GetSyncMessageFilter() OVERRIDE;
+  virtual base::HistogramSender* GetHistogramSender() OVERRIDE;
   virtual scoped_refptr<base::MessageLoopProxy> GetIOMessageLoopProxy()
       OVERRIDE;
   virtual void AddRoute(int32 routing_id,
                         IPC::Channel::Listener* listener) OVERRIDE;
   virtual void RemoveRoute(int32 routing_id) OVERRIDE;
   virtual int GenerateRoutingID() OVERRIDE;
   virtual void AddFilter(IPC::ChannelProxy::MessageFilter* filter) OVERRIDE;
   virtual void RemoveFilter(IPC::ChannelProxy::MessageFilter* filter) OVERRIDE;
   virtual void SetOutgoingMessageFilter(
       IPC::ChannelProxy::OutgoingMessageFilter* filter) OVERRIDE;
@@ skipping 177 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_