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

content/browser/gpu/gpu_data_manager_impl.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_H_
 #define CONTENT_BROWSER_GPU_GPU_DATA_MANAGER_IMPL_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 53 matching lines @@
   virtual bool IsFeatureBlacklisted(int feature) const OVERRIDE;
   virtual gpu::GPUInfo GetGPUInfo() const OVERRIDE;
   virtual void GetGpuProcessHandles(
       const GetGpuProcessHandlesCallback& callback) const OVERRIDE;
   virtual bool GpuAccessAllowed(std::string* reason) const OVERRIDE;
   virtual void RequestCompleteGpuInfoIfNeeded() OVERRIDE;
   virtual bool IsCompleteGpuInfoAvailable() const OVERRIDE;
   virtual void RequestVideoMemoryUsageStatsUpdate() const OVERRIDE;
   virtual bool ShouldUseSwiftShader() const OVERRIDE;
   virtual void RegisterSwiftShaderPath(const base::FilePath& path) OVERRIDE;
+  virtual bool ShouldUseWarp() const OVERRIDE;
   virtual void AddObserver(GpuDataManagerObserver* observer) OVERRIDE;
   virtual void RemoveObserver(GpuDataManagerObserver* observer) OVERRIDE;
   virtual void UnblockDomainFrom3DAPIs(const GURL& url) OVERRIDE;
   virtual void DisableGpuWatchdog() OVERRIDE;
   virtual void SetGLStrings(const std::string& gl_vendor,
                             const std::string& gl_renderer,
                             const std::string& gl_version) OVERRIDE;
   virtual void GetGLStrings(std::string* gl_vendor,
                             std::string* gl_renderer,
                             std::string* gl_version) OVERRIDE;
@@ skipping 125 matching lines @@
 
   mutable base::Lock lock_;
   scoped_ptr<GpuDataManagerImplPrivate> private_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuDataManagerImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_GPU_GPU_DATA_MANAGER_IMPL_H_