adds WARP support to Chromium, for Metro mode only, on Windows 8

content/browser/gpu/gpu_data_manager_impl_private.h

 // Copyright (c) 2013 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_GPU_GPU_DATA_MANAGER_IMPL_PRIVATE_H_
 #define CONTENT_BROWSER_GPU_GPU_DATA_MANAGER_IMPL_PRIVATE_H_
 
 #include <list>
 #include <map>
 #include <set>
@@ skipping 34 matching lines @@
   void AddObserver(GpuDataManagerObserver* observer);
   void RemoveObserver(GpuDataManagerObserver* observer);
   void UnblockDomainFrom3DAPIs(const GURL& url);
   void DisableGpuWatchdog();
   void SetGLStrings(const std::string& gl_vendor,
                     const std::string& gl_renderer,
                     const std::string& gl_version);
   void GetGLStrings(std::string* gl_vendor,
                     std::string* gl_renderer,
                     std::string* gl_version);
+  void SetShouldUseWarp(bool use_warp);
+  bool ShouldUseWarp() const;
   void DisableHardwareAcceleration();
 
   void Initialize();
 
   void UpdateGpuInfo(const gpu::GPUInfo& gpu_info);
 
   void UpdateVideoMemoryUsageStats(
       const GPUVideoMemoryUsageStats& video_memory_usage_stats);
 
   void AppendRendererCommandLine(base::CommandLine* command_line) const;
@@ skipping 192 matching lines @@
   // True if all future Initialize calls should be ignored.
   bool finalized_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuDataManagerImplPrivate);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_GPU_GPU_DATA_MANAGER_IMPL_PRIVATE_H_