Add accelerated_video_decode as a GPU blacklist feature.

chrome/browser/gpu_util.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 CHROME_BROWSER_GPU_UTIL_H_
 #define CHROME_BROWSER_GPU_UTIL_H_
 
 #include <string>
 
 #include "content/public/common/gpu_feature_type.h"
@@ skipping 34 matching lines @@
 //
 // The features reported are not 1:1 with GpuFeatureType. Rather, they are:
 //    '2d_canvas'
 //    '3d_css'
 //    'composting',
 //    'webgl',
 //    'multisampling',
 //    'flash_3d',
 //    'flash_stage3d',
 //    'texture_sharing'
+//    'video_decode'
 //
 // Each problems has:
 // {
 //    "description": "Your GPU is too old",
 //    "crBugs": [1234],
 //    "webkitBugs": []
 // }
 //
 // Caller is responsible for deleting the returned value.
 base::Value* GetFeatureStatus();
 
 // Returns the GpuInfo as a DictionaryValue.
 base::DictionaryValue* GpuInfoAsDictionaryValue();
 
 // Send UMA histograms about the enabled features.
 void UpdateStats();
 
 // Returns whether this client has been selected for the force-compositing-mode
 // or threaded-compositor trial.
 bool InForceCompositingModeOrThreadTrial();
 
 // Sets up the force-compositing-mode field trial.
 void InitializeForceCompositingModeFieldTrial();
 
 }  // namespace gpu_util
 
 #endif  // CHROME_BROWSER_GPU_UTIL_H_