gpu:: Remove GpuDataManagerObserver::OnVideoMemoryUsageStatsUpdate().

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 <stddef.h>
 #include <stdint.h>
 
@@ skipping 57 matching lines @@
   // GpuDataManager implementation.
   void BlacklistWebGLForTesting() override;
   bool IsFeatureBlacklisted(int feature) const override;
   bool IsFeatureEnabled(int feature) const override;
   bool IsWebGLEnabled() const override;
   gpu::GPUInfo GetGPUInfo() const override;
   bool GpuAccessAllowed(std::string* reason) const override;
   void RequestCompleteGpuInfoIfNeeded() override;
   bool IsEssentialGpuInfoAvailable() const override;
   bool IsCompleteGpuInfoAvailable() const override;
-  void RequestVideoMemoryUsageStatsUpdate() const override;
+  void RequestVideoMemoryUsageStatsUpdate(
+      const base::Callback<void(const gpu::VideoMemoryUsageStats& stats)>&
+          callback) const override;
   bool ShouldUseSwiftShader() const override;
   // TODO(kbr): the threading model for the GpuDataManagerObservers is
   // not well defined, and it's impossible for callers to correctly
   // delete observers from anywhere except in one of the observer's
   // notification methods. Observer addition and removal, and their
   // callbacks, should probably be required to occur on the UI thread.
   void AddObserver(GpuDataManagerObserver* observer) override;
   void RemoveObserver(GpuDataManagerObserver* observer) override;
   void UnblockDomainFrom3DAPIs(const GURL& url) override;
   void SetGLStrings(const std::string& gl_vendor,
@@ skipping 17 matching lines @@
                             const gpu::GPUInfo& gpu_info);
 
   // Only update if the current GPUInfo is not finalized.  If blacklist is
   // loaded, run through blacklist and update blacklisted features.
   void UpdateGpuInfo(const gpu::GPUInfo& gpu_info);
 
   // Update the GPU feature info. This updates the blacklist and enabled status
   // of GPU rasterization. In the future this will be used for more features.
   void UpdateGpuFeatureInfo(const gpu::GpuFeatureInfo& gpu_feature_info);
 
-  void UpdateVideoMemoryUsageStats(
-      const gpu::VideoMemoryUsageStats& video_memory_usage_stats);
-
   // Insert disable-feature switches corresponding to preliminary gpu feature
   // flags into the renderer process command line.
   void AppendRendererCommandLine(base::CommandLine* command_line) const;
 
   // Insert switches into gpu process command line: kUseGL, etc.
   // If the gpu_preferences isn't a nullptr, the gpu_preferences will be set
   // for some GPU switches which have been replaced by GpuPreferences, and those
   // switches will not be append to the command_line anymore.
   void AppendGpuCommandLine(base::CommandLine* command_line,
                             gpu::GpuPreferences* gpu_preferences) const;
@@ skipping 97 matching lines @@
 
   mutable base::Lock lock_;
   std::unique_ptr<GpuDataManagerImplPrivate> private_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuDataManagerImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_GPU_GPU_DATA_MANAGER_IMPL_H_