Update to Pipeline Metadata and Decoder Stream for Orientation Data

media/base/pipeline.h

Index: media/base/pipeline.h
diff --git a/media/base/pipeline.h b/media/base/pipeline.h
index b8307bd018613c2a7e8f2e4afcc94e2b99b5dca1..53041f7a99c52c75ef850ce01f94ae101c7f6e2f 100644
--- a/media/base/pipeline.h
+++ b/media/base/pipeline.h
@@ -37,11 +37,12 @@ class VideoRenderer;
 
 // Metadata describing a pipeline once it has been initialized.
 struct PipelineMetadata {
-  PipelineMetadata() : has_audio(false), has_video(false) {}
+  PipelineMetadata() : has_audio(false), has_video(false), rotation(0) {}
 
   bool has_audio;
   bool has_video;
   gfx::Size natural_size;
+  int  rotation;
   base::Time timeline_offset;
 };