Move gpu blacklist data file to content side.

content/browser/gpu/gpu_data_manager_impl.h

Index: content/browser/gpu/gpu_data_manager_impl.h
===================================================================
--- content/browser/gpu/gpu_data_manager_impl.h	(revision 156701)
+++ content/browser/gpu/gpu_data_manager_impl.h	(working copy)
@@ -30,11 +30,7 @@
   static GpuDataManagerImpl* GetInstance();
 
   // 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,
+  virtual void InitializeForTesting(
       const std::string& gpu_blacklist_json,
       const content::GPUInfo& gpu_info) OVERRIDE;
   virtual content::GpuFeatureType GetBlacklistedFeatures() const OVERRIDE;
@@ -55,6 +51,11 @@
   virtual void RemoveObserver(
       content::GpuDataManagerObserver* observer) 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.
   void UpdateGpuInfo(const content::GPUInfo& gpu_info);
@@ -101,6 +102,9 @@
   GpuDataManagerImpl();
   virtual ~GpuDataManagerImpl();
 
+  void InitializeImpl(const std::string& gpu_blacklist_json,
+                      const content::GPUInfo& gpu_info);
+
   void UpdateBlacklistedFeatures(content::GpuFeatureType features);
 
   // This should only be called once at initialization time, when preliminary