Add vaapi_h264_decoder_test.

content/common/gpu/media/vaapi_wrapper.h

Index: content/common/gpu/media/vaapi_wrapper.h
diff --git a/content/common/gpu/media/vaapi_wrapper.h b/content/common/gpu/media/vaapi_wrapper.h
index aa277fd3860a86d9a4dbbb594e26f52033592018..d496d4a5a1081df7c9572ea400e395cf5fbbbcde 100644
--- a/content/common/gpu/media/vaapi_wrapper.h
+++ b/content/common/gpu/media/vaapi_wrapper.h
@@ -78,6 +78,14 @@ class CONTENT_EXPORT VaapiWrapper {
                             Pixmap x_pixmap,
                             gfx::Size dest_size);
 
+  // Get the surface data and return it in |buffer|, which has size |size|.
+  // The returned buffer contains data in I420 format and needs to be
+  // released by calling free(). The function returns true if successful.

[Pawel Osciak, 2013/10/20 23:53:11]

Can you instead use VideoFrame class for this?

[chihchung, 2013/10/21 09:33:05]

Done.

+  // Currently it only handles VASurface with NV12 format.
+  bool GetI420FromSurface(VASurfaceID va_surface_id,
+                          void** buffer,
+                          size_t* size);
+
   // Do any necessary initialization before the sandbox is enabled.
   static void PreSandboxInitialization();