Add capability for GPU blacklist to manage GPU switching.

content/browser/gpu/gpu_data_manager_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_BROWSER_GPU_GPU_DATA_MANAGER_IMPL_H_
 #define CONTENT_BROWSER_GPU_GPU_DATA_MANAGER_IMPL_H_
 
 #include <set>
 #include <string>
 
@@ skipping 20 matching lines @@
 
   // GpuDataManager implementation.
   virtual void Initialize(
       const std::string& browser_version_string,
       const std::string& gpu_blacklist_json) OVERRIDE;
   virtual void Initialize(
       const std::string& browser_version_string,
       const std::string& gpu_blacklist_json,
       const content::GPUInfo& gpu_info) OVERRIDE;
   virtual content::GpuFeatureType GetBlacklistedFeatures() const OVERRIDE;
+  virtual content::GpuSwitchingOption GetGpuSwitchingOption() const OVERRIDE;
   virtual base::ListValue* GetBlacklistReasons() const OVERRIDE;
   virtual std::string GetBlacklistVersion() const OVERRIDE;
   virtual content::GPUInfo GetGPUInfo() const OVERRIDE;
   virtual bool GpuAccessAllowed() const OVERRIDE;
   virtual void RequestCompleteGpuInfoIfNeeded() OVERRIDE;
   virtual bool IsCompleteGpuInfoAvailable() const OVERRIDE;
   virtual void RequestVideoMemoryUsageStatsUpdate() const OVERRIDE;
   virtual bool ShouldUseSoftwareRendering() const OVERRIDE;
   virtual void RegisterSwiftShaderPath(const FilePath& path) OVERRIDE;
   virtual void AddLogMessage(int level, const std::string& header,
@@ skipping 62 matching lines @@
   void EnableSoftwareRenderingIfNecessary();
 
   // Send UMA histograms about the disabled/enabled features.
   void UpdateStats();
 
   bool complete_gpu_info_already_requested_;
 
   content::GpuFeatureType gpu_feature_type_;
   content::GpuFeatureType preliminary_gpu_feature_type_;
 
+  content::GpuSwitchingOption gpu_switching_;
+
   content::GPUInfo gpu_info_;
   mutable base::Lock gpu_info_lock_;
 
   scoped_ptr<GpuBlacklist> gpu_blacklist_;
 
   const scoped_refptr<GpuDataManagerObserverList> observer_list_;
 
   ListValue log_messages_;
   mutable base::Lock log_messages_lock_;
 
   bool software_rendering_;
 
   FilePath swiftshader_path_;
 
   // Current card force-blacklisted due to GPU crashes, or disabled through
   // the --disable-gpu commandline switch.
   bool card_blacklisted_;
 
   // We disable histogram stuff in testing, especially in unit tests because
   // they cause random failures.
   bool update_histograms_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuDataManagerImpl);
 };
 
 #endif  // CONTENT_BROWSER_GPU_GPU_DATA_MANAGER_IMPL_H_