Append software rendering list version to the about:gpu page.

chrome/browser/gpu_data_manager.h

 // Copyright (c) 2011 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 CHROME_BROWSER_GPU_DATA_MANAGER_H_
 #define CHROME_BROWSER_GPU_DATA_MANAGER_H_
 #pragma once
 
 #include <set>
+#include <string>
 
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/singleton.h"
 #include "base/values.h"
 #include "chrome/browser/web_resource/gpu_blacklist_updater.h"
 #include "content/common/gpu_feature_flags.h"
 #include "content/common/gpu_info.h"
 
 class CommandLine;
@@ skipping 10 matching lines @@
 
   // Only update if the current GPUInfo is not finalized.
   void UpdateGpuInfo(const GPUInfo& gpu_info);
 
   const GPUInfo& gpu_info() const;
 
   // Returns blacklisting reasons structure from gpu_blacklist or NULL
   // if not blacklisted. Caller is responsible for deleting returned value.
   Value* GetBlacklistingReasons() const;
 
+  std::string GetBlacklistVersion() const;
+
   void AddLogMessage(Value* msg);
 
   const ListValue& log_messages() const;
 
   // If necessary, compute the flags before returning them.
   GpuFeatureFlags GetGpuFeatureFlags();
 
   // This indicator might change because we could collect more GPU info or
   // because the GPU blacklist could be updated.
   // If this returns false, any further GPU access, including launching GPU
@@ skipping 54 matching lines @@
   // Map of callbacks.
   std::set<Callback0::Type*> gpu_info_update_callbacks_;
 
   ListValue log_messages_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuDataManager);
 };
 
 #endif  // CHROME_BROWSER_GPU_DATA_MANAGER_H_