Add Media.ArcGpuVideoDecodeAccelerator.InitializeResult to histograms

chrome/gpu/arc_gpu_video_decode_accelerator.h

 // Copyright 2016 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_GPU_ARC_GPU_VIDEO_DECODE_ACCELERATOR_H_
 #define CHROME_GPU_ARC_GPU_VIDEO_DECODE_ACCELERATOR_H_
 
 #include <list>
 #include <memory>
 #include <queue>
@@ skipping 18 matching lines @@
       public base::SupportsWeakPtr<ArcGpuVideoDecodeAccelerator> {
  public:
   explicit ArcGpuVideoDecodeAccelerator(
       const gpu::GpuPreferences& gpu_preferences);
   ~ArcGpuVideoDecodeAccelerator() override;
 
   // Implementation of the ArcVideoAccelerator interface.
   ArcVideoAccelerator::Result Initialize(
       const Config& config,
       ArcVideoAccelerator::Client* client) override;
+  ArcVideoAccelerator::Result InitializeTask(

[Owen Lin, 2016/11/17 08:28:28]

Put in private.

[johnylin1, 2016/11/18 03:26:32]

Done.

+      const Config& config,
+      ArcVideoAccelerator::Client* client);
   void SetNumberOfOutputBuffers(size_t number) override;
   void BindSharedMemory(PortType port,
                         uint32_t index,
                         base::ScopedFD ashmem_fd,
                         off_t offset,
                         size_t length) override;
   void BindDmabuf(PortType port,
                   uint32_t index,
                   base::ScopedFD dmabuf_fd,
                   const std::vector<DmabufPlane>& dmabuf_planes) override;
@@ skipping 116 matching lines @@
 
   gpu::GpuPreferences gpu_preferences_;
 
   DISALLOW_COPY_AND_ASSIGN(ArcGpuVideoDecodeAccelerator);
 };
 
 }  // namespace arc
 }  // namespace chromeos
 
 #endif  // CHROME_GPU_ARC_GPU_VIDEO_DECODE_ACCELERATOR_H_