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 63 matching lines @@
   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;
+  virtual void SetShouldUseWarp(bool use_warp) OVERRIDE;
+  virtual bool ShouldUseWarp() const OVERRIDE;
   virtual void DisableHardwareAcceleration() OVERRIDE;
   virtual bool CanUseGpuBrowserCompositor() const OVERRIDE;
 
   // This collects preliminary GPU info, load GpuBlacklist, and compute the
   // preliminary blacklisted features; it should only be called at browser
   // startup time in UI thread before the IO restriction is turned on.
   void Initialize();
 
   // Only update if the current GPUInfo is not finalized.  If blacklist is
   // loaded, run through blacklist and update blacklisted features.
@@ skipping 115 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_