Unified OutputSurface::SwapBuffers.

This patch introduces a hard contract that CC will always call
OutputSurface::SwapBuffers(), and OutputSurface will always respond with
OutputSurfaceClient::OnSwapBuffersComplete(), in all rendering modes.  I
deleted the methods SendFrameToParentCompositor, PostSubBuffer, and
OnSendFrameToParentCompositorAck, subsuming them into SwapBuffers. I also
deleted all the settings and capabilities specifying which variant needed to be
called. 

This should be a no-op for all graphics modes except for Android WebView, where
it has the benefits of ensuring OnSwapBuffersComplete is called and that
CompositorFrameMetadata is available even though no parent compositor exists. 

NOTRY=true
BUG=237006

Review URL: https://chromiumcodereview.appspot.com/16304003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@205501 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 0 insertions, 3 deletions

diff --git a/cc/scheduler/frame_rate_controller.h b/cc/scheduler/frame_rate_controller.h
index 339578a..070c26a 100644
--- a/cc/scheduler/frame_rate_controller.h
+++ b/cc/scheduler/frame_rate_controller.h
@@ -63,8 +63,6 @@ class CC_EXPORT FrameRateController {
 
   void SetTimebaseAndInterval(base::TimeTicks timebase,
                               base::TimeDelta interval);
-  bool swap_buffers_complete_supported() const;
-  void SetSwapBuffersCompleteSupported(bool supported);
 
  protected:
   friend class FrameRateControllerTimeSourceAdapter;
@@ -79,7 +77,6 @@ class CC_EXPORT FrameRateController {
   scoped_refptr<TimeSource> time_source_;
   scoped_ptr<FrameRateControllerTimeSourceAdapter> time_source_client_adapter_;
   bool active_;
-  bool swap_buffers_complete_supported_;
 
   // Members for unthrottled frame-rate.
   bool is_time_source_throttling_;