Add VDA supported profile to GPUInfo.

media/video/video_encode_accelerator.h

Index: media/video/video_encode_accelerator.h
diff --git a/media/video/video_encode_accelerator.h b/media/video/video_encode_accelerator.h
index 9551c22a769d58473bfbfa66bfc92d712a3d164b..6537c290fac04c7c046cf6f8ac3e140cf94af9ed 100644
--- a/media/video/video_encode_accelerator.h
+++ b/media/video/video_encode_accelerator.h
@@ -24,11 +24,14 @@ class MEDIA_EXPORT VideoEncodeAccelerator {
  public:
   // Specification of an encoding profile supported by an encoder.
   struct SupportedProfile {
+    SupportedProfile();
+    ~SupportedProfile();
     VideoCodecProfile profile;
     gfx::Size max_resolution;
     uint32 max_framerate_numerator;
     uint32 max_framerate_denominator;
   };
+  using SupportedProfiles = std::vector<SupportedProfile>;
 
   // Enumeration of potential errors generated by the API.
   enum Error {
@@ -92,7 +95,7 @@ class MEDIA_EXPORT VideoEncodeAccelerator {
 
   // Returns a list of the supported codec profiles of the video encoder. This
   // can be called before Initialize().
-  virtual std::vector<SupportedProfile> GetSupportedProfiles() = 0;
+  virtual SupportedProfiles GetSupportedProfiles() = 0;
 
   // Initializes the video encoder with specific configuration.  Called once per
   // encoder construction.  This call is synchronous and returns true iff