Add VDA supported profile to GPUInfo.

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 37 matching lines @@
   H264PROFILE_HIGH444PREDICTIVEPROFILE = 6,
   H264PROFILE_SCALABLEBASELINE = 7,
   H264PROFILE_SCALABLEHIGH = 8,
   H264PROFILE_STEREOHIGH = 9,
   H264PROFILE_MULTIVIEWHIGH = 10,
   VP8PROFILE_ANY = 11,
   VP9PROFILE_ANY = 12,
   VIDEO_CODEC_PROFILE_MAX = VP9PROFILE_ANY,
 };
 
+// Specification of a decoding profile supported by a hardware decoder.
+struct GPU_EXPORT VideoDecodeAcceleratorSupportedProfile {
+  VideoCodecProfile profile;
+  gfx::Size max_resolution;
+  gfx::Size min_resolution;
+};
+
 // Specification of an encoding profile supported by a hardware encoder.
 struct GPU_EXPORT VideoEncodeAcceleratorSupportedProfile {
   VideoCodecProfile profile;
   gfx::Size max_resolution;
   uint32 max_framerate_numerator;
   uint32 max_framerate_denominator;
 };
 
 struct GPU_EXPORT GPUInfo {
   struct GPU_EXPORT GPUDevice {
@@ skipping 131 matching lines @@
   // if the collection fails or not.
   CollectInfoResult basic_info_state;
   CollectInfoResult context_info_state;
 #if defined(OS_WIN)
   CollectInfoResult dx_diagnostics_info_state;
 
   // The information returned by the DirectX Diagnostics Tool.
   DxDiagNode dx_diagnostics;
 #endif
 
+  // Whether the platform supports to query video decoder profiles.

[wuchengli, 2015/03/19 06:19:25]

Need more explanation about the relationship between
|support_query_video_decode_profiles| and
|video_decode_accelerator_supported_profiles|. Add something like "If true,
|video_decode_accelerator_supported_profiles| is the profiles supported by the
platform. If false, it is invalid."

[henryhsu, 2015/03/19 10:00:32]

Done.

+  bool support_query_video_decode_profiles;
+  std::vector<VideoDecodeAcceleratorSupportedProfile>
+      video_decode_accelerator_supported_profiles;
   std::vector<VideoEncodeAcceleratorSupportedProfile>
       video_encode_accelerator_supported_profiles;
   // Note: when adding new members, please remember to update EnumerateFields
   // in gpu_info.cc.
 
   // In conjunction with EnumerateFields, this allows the embedder to
   // enumerate the values in this structure without having to embed
   // references to its specific member variables. This simplifies the
   // addition of new fields to this type.
   class Enumerator {
    public:
     // The following methods apply to the "current" object. Initially this
     // is the root object, but calls to BeginGPUDevice/EndGPUDevice and
     // BeginAuxAttributes/EndAuxAttributes change the object to which these
     // calls should apply.
     virtual void AddInt64(const char* name, int64 value) = 0;
     virtual void AddInt(const char* name, int value) = 0;
     virtual void AddString(const char* name, const std::string& value) = 0;
     virtual void AddBool(const char* name, bool value) = 0;
     virtual void AddTimeDeltaInSecondsF(const char* name,
                                         const base::TimeDelta& value) = 0;
 
     // Markers indicating that a GPUDevice is being described.
     virtual void BeginGPUDevice() = 0;
     virtual void EndGPUDevice() = 0;
 
+    // Markers indicating that a VideoDecodeAcceleratorSupportedProfile is
+    // being described.
+    virtual void BeginVideoDecodeAcceleratorSupportedProfile() = 0;
+    virtual void EndVideoDecodeAcceleratorSupportedProfile() = 0;
+
     // Markers indicating that a VideoEncodeAcceleratorSupportedProfile is
     // being described.
     virtual void BeginVideoEncodeAcceleratorSupportedProfile() = 0;
     virtual void EndVideoEncodeAcceleratorSupportedProfile() = 0;
 
     // Markers indicating that "auxiliary" attributes of the GPUInfo
     // (according to the DevTools protocol) are being described.
     virtual void BeginAuxAttributes() = 0;
     virtual void EndAuxAttributes() = 0;
 
    protected:
     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_