Add VDA supported profile to GPUInfo.

gpu/config/gpu_info.h

Index: gpu/config/gpu_info.h
diff --git a/gpu/config/gpu_info.h b/gpu/config/gpu_info.h
index 7c92d3ae7d702cf73410787b4f77a95e4ede9cf2..36c161b996071bc48a6233653146a6d49d3d3be2 100644
--- a/gpu/config/gpu_info.h
+++ b/gpu/config/gpu_info.h
@@ -55,6 +55,13 @@ enum VideoCodecProfile {
   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;
@@ -206,6 +213,10 @@ struct GPU_EXPORT GPUInfo {
   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
@@ -232,6 +243,11 @@ struct GPU_EXPORT GPUInfo {
     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;