Revert 155218 - Move gpu blacklist to content side.

content/public/browser/gpu_data_manager.h

Index: content/public/browser/gpu_data_manager.h
===================================================================
--- content/public/browser/gpu_data_manager.h	(revision 155222)
+++ content/public/browser/gpu_data_manager.h	(working copy)
@@ -27,21 +27,17 @@
   // Getter for the singleton.
   CONTENT_EXPORT static GpuDataManager* GetInstance();
 
-  // 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.
-  virtual void Initialize(const std::string& browser_version_string,
-                          const std::string& gpu_blacklist_json) = 0;
+  // This collects preliminary GPU info; it should only be called at
+  // browser startup time in UI thread before the IO restriction is turned
+  // on.
+  virtual void InitializeGpuInfo() = 0;
 
-  virtual std::string GetBlacklistVersion() const = 0;
-
+  // Can be called on any thread.
   virtual GpuFeatureType GetBlacklistedFeatures() const = 0;
 
-  // Returns the reasons for the latest run of blacklisting decisions.
-  // For the structure of returned value, see documentation for
-  // GpuBlacklist::GetBlacklistedReasons().
-  // Caller is responsible to release the returned value.
-  virtual base::ListValue* GetBlacklistReasons() const = 0;
+  // Sets the blacklisted feature flags due to preliminary GPU info.
+  virtual void SetPreliminaryBlacklistedFeatures(
+      GpuFeatureType feature_type) = 0;
 
   virtual GPUInfo GetGPUInfo() const = 0;