Don't require VDAs to return all PictureBuffers at once.

media/renderers/gpu_video_accelerator_factories.h

Index: media/renderers/gpu_video_accelerator_factories.h
diff --git a/media/renderers/gpu_video_accelerator_factories.h b/media/renderers/gpu_video_accelerator_factories.h
index 329f4b4e1a69882bf881a7e352cf4452623d04fc..c9ac36fbbcf6e28682d645be1e156269b8f93643 100644
--- a/media/renderers/gpu_video_accelerator_factories.h
+++ b/media/renderers/gpu_video_accelerator_factories.h
@@ -97,9 +97,10 @@ class MEDIA_EXPORT GpuVideoAcceleratorFactories {
   // Returns the task runner the video accelerator runs on.
   virtual scoped_refptr<base::SingleThreadTaskRunner> GetTaskRunner() = 0;
 
-  // Returns the supported codec profiles of video decode accelerator.
-  virtual VideoDecodeAccelerator::SupportedProfiles
-      GetVideoDecodeAcceleratorSupportedProfiles() = 0;
+  // Return the capabilities of video decode accelerator, which includes the
+  // supported codec profiles.
+  virtual VideoDecodeAccelerator::Capabilities
+  GetVideoDecodeAcceleratorCapabilities() = 0;
 
   // Returns the supported codec profiles of video encode accelerator.
   virtual VideoEncodeAccelerator::SupportedProfiles