Make consistent with Accelerated 2D Canvas flag on both implementation and chrome://gpu.

gpu/config/gpu_info.h

 // Copyright (c) 2012 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 GPU_CONFIG_GPU_INFO_H_
 #define GPU_CONFIG_GPU_INFO_H_
 
 // Provides access to the GPU information for the system
 // on which chrome is currently running.
 
@@ skipping 26 matching lines @@
     // In Linux these strings are obtained through libpci.
     // In Win/MacOSX, these two strings are not filled at the moment.
     // In Android, these are respectively GL_VENDOR and GL_RENDERER.
     std::string vendor_string;
     std::string device_string;
   };
 
   GPUInfo();
   ~GPUInfo();
 
+  bool SupportsAccelerated2dCanvas() const {

[Zhenyao Mo, 2013/12/03 02:57:14]

Does it violate coding style to define such a function in a struct?  if not,
LGTM

+    return !can_lose_context && !software_rendering;
+  }
+
   // Whether more GPUInfo fields might be collected in the future.
   bool finalized;
 
   // The amount of time taken to get from the process starting to the message
   // loop being pumped.
   base::TimeDelta initialization_time;
 
   // Computer has NVIDIA Optimus
   bool optimus;
 
@@ skipping 117 matching lines @@
     virtual ~Enumerator() {}
   };
 
   // Outputs the fields in this structure to the provided enumerator.
   void EnumerateFields(Enumerator* enumerator) const;
 };
 
 }  // namespace gpu
 
 #endif  // GPU_CONFIG_GPU_INFO_H_