gpu:: Remove GpuDataManagerObserver::OnVideoMemoryUsageStatsUpdate().

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 <stddef.h>
 #include <stdint.h>
 
@@ skipping 32 matching lines @@
                             const gpu::GPUInfo& gpu_info);
   bool IsFeatureBlacklisted(int feature) const;
   bool IsFeatureEnabled(int feature) const;
   bool IsWebGLEnabled() const;
   bool IsDriverBugWorkaroundActive(int feature) const;
   gpu::GPUInfo GetGPUInfo() const;
   bool GpuAccessAllowed(std::string* reason) const;
   void RequestCompleteGpuInfoIfNeeded();
   bool IsEssentialGpuInfoAvailable() const;
   bool IsCompleteGpuInfoAvailable() const;
-  void RequestVideoMemoryUsageStatsUpdate() const;
+  void RequestVideoMemoryUsageStatsUpdate(
+      const base::Callback<void(const gpu::VideoMemoryUsageStats& stats)>&
+          callback) const;
   bool ShouldUseSwiftShader() const;
   void AddObserver(GpuDataManagerObserver* observer);
   void RemoveObserver(GpuDataManagerObserver* observer);
   void UnblockDomainFrom3DAPIs(const GURL& url);
   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 DisableHardwareAcceleration();
   void SetGpuInfo(const gpu::GPUInfo& gpu_info);
 
   void Initialize();
 
   void UpdateGpuInfo(const gpu::GPUInfo& gpu_info);
   void UpdateGpuFeatureInfo(const gpu::GpuFeatureInfo& gpu_feature_info);
 
-  void UpdateVideoMemoryUsageStats(
-      const gpu::VideoMemoryUsageStats& video_memory_usage_stats);
-
   void AppendRendererCommandLine(base::CommandLine* command_line) const;
 
   void AppendGpuCommandLine(base::CommandLine* command_line,
                             gpu::GpuPreferences* gpu_preferences) const;
 
   void UpdateRendererWebPrefs(WebPreferences* prefs) const;
 
   std::string GetBlacklistVersion() const;
   std::string GetDriverBugListVersion() const;
 
@@ skipping 193 matching lines @@
   // If one tries to call a member before initialization then it is defered
   // until Initialize() is completed.
   std::vector<base::Closure> post_init_tasks_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuDataManagerImplPrivate);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_GPU_GPU_DATA_MANAGER_IMPL_PRIVATE_H_