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..ad90a864f076aad3df4488515ee13adb3236f5e2 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 +213,14 @@ struct GPU_EXPORT GPUInfo {
   DxDiagNode dx_diagnostics;
 #endif
 
+  // Whether the platform supports to query video decoder profiles. Currently
+  // only CrOS supports to query video decoder supported profiles. If

[wuchengli, 2015/03/19 15:02:57]

Remove "Currently only CrOS supports to query video decoder supported
profiles.". When someone adds the support for another platform, they won't know
they should update the comments here. The rest of the comments should be clear
enough.

[henryhsu, 2015/03/23 03:21:07]

Done.

+  // |supported_query_video_decode_profiles| is true,
+  // |video_decode_accelerator_supported_profiles| is the profiles supported by
+  // the platform. Otherwise, it is invalid.
+  bool support_query_video_decode_profiles;

[piman, 2015/03/19 20:46:09]

Why do we do this?
If this is false, we hardcode the resolution on the client side and accept any
codec.
Could we instead hardcode the codecs&resolution on the service side, that way we
could be more exact (Mac and Windows only accept a subset of codecs, and
possibly Android as well).

[henryhsu, 2015/03/23 03:21:07]

Done.

+  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 +247,11 @@ 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;