Move GPU device/driver info related code from content to gpu.

content/public/browser/gpu_data_manager.h

Index: content/public/browser/gpu_data_manager.h
===================================================================
--- content/public/browser/gpu_data_manager.h	(revision 201645)
+++ content/public/browser/gpu_data_manager.h	(working copy)
@@ -19,10 +19,13 @@
 class ListValue;
 }
 
+namespace gpu {
+struct GPUInfo;
+}
+
 namespace content {
 
 class GpuDataManagerObserver;
-struct GPUInfo;
 
 // This class is fully thread-safe.
 class GpuDataManager {
@@ -34,11 +37,11 @@
   CONTENT_EXPORT static GpuDataManager* GetInstance();
 
   virtual void InitializeForTesting(const std::string& gpu_blacklist_json,
-                                    const content::GPUInfo& gpu_info) = 0;
+                                    const gpu::GPUInfo& gpu_info) = 0;
 
   virtual bool IsFeatureBlacklisted(int feature) const = 0;
 
-  virtual GPUInfo GetGPUInfo() const = 0;
+  virtual gpu::GPUInfo GetGPUInfo() const = 0;
 
   // Retrieves a list of process handles for all gpu processes.
   virtual void GetGpuProcessHandles(