Make cc::CompositorFrames movable [Part 1 of 2]

cc/output/compositor_frame_metadata.h

Index: cc/output/compositor_frame_metadata.h
diff --git a/cc/output/compositor_frame_metadata.h b/cc/output/compositor_frame_metadata.h
index 2ac6a334d83720cc1cfb5633109136cddedd92bd..1a1e5f017123ac80fa32375e63bb6534daa3096e 100644
--- a/cc/output/compositor_frame_metadata.h
+++ b/cc/output/compositor_frame_metadata.h
@@ -23,9 +23,14 @@ namespace cc {
 class CC_EXPORT CompositorFrameMetadata {
  public:
   CompositorFrameMetadata();
+  CompositorFrameMetadata(CompositorFrameMetadata&& other);
   CompositorFrameMetadata(const CompositorFrameMetadata& other);

[danakj, 2016/06/24 20:20:43]

can you make this private then, and "delete" the operator= for copy?

[Fady Samuel, 2016/06/24 21:31:15]

Done.

   ~CompositorFrameMetadata();
 
+  CompositorFrameMetadata& operator=(CompositorFrameMetadata&& other);
+
+  CompositorFrameMetadata Clone() const;
+
   // The device scale factor used to generate this compositor frame.
   float device_scale_factor;