Collect as much GPU information as possible without creating a GL/D3D context...

chrome/browser/gpu_process_host_ui_shim.h

 // Copyright (c) 2010 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_GPU_PROCESS_HOST_UI_SHIM_H_
 #define CHROME_BROWSER_GPU_PROCESS_HOST_UI_SHIM_H_
 #pragma once
 
 // This class lives on the UI thread and supports classes like the
 // BackingStoreProxy, which must live on the UI thread. The IO thread
@@ skipping 123 matching lines @@
 
   // Message handlers.
   bool OnControlMessageReceived(const IPC::Message& message);
 
   void OnChannelEstablished(const IPC::ChannelHandle& channel_handle,
                             const GPUInfo& gpu_info);
   void OnCommandBufferCreated(const int32 route_id);
   void OnDestroyCommandBuffer(gfx::PluginWindowHandle window,
                               int32 renderer_id, int32 render_view_id);
   void OnGraphicsInfoCollected(const GPUInfo& gpu_info);
+  void OnPreliminaryGraphicsInfoCollected(
+      const GPUInfo& gpu_info, IPC::Message* reply_msg);
   void OnLogMessage(int level, const std::string& header,
       const std::string& message);
   void OnSynchronizeReply();
 #if defined(OS_LINUX)
   void OnResizeXID(unsigned long xid, gfx::Size size, IPC::Message* reply_msg);
 #elif defined(OS_MACOSX)
   void OnAcceleratedSurfaceSetIOSurface(
       const GpuHostMsg_AcceleratedSurfaceSetIOSurface_Params& params);
   void OnAcceleratedSurfaceBuffersSwapped(
       const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params& params);
@@ skipping 26 matching lines @@
   bool initialized_;
   bool initialized_successfully_;
 
   bool gpu_feature_flags_set_;
   scoped_ptr<GpuBlacklist> gpu_blacklist_;
   GpuFeatureFlags gpu_feature_flags_;
 };
 
 #endif  // CHROME_BROWSER_GPU_PROCESS_HOST_UI_SHIM_H_