Send compositor frame IPC with metadata.

content/common/view_messages.h

Index: content/common/view_messages.h
diff --git a/content/common/view_messages.h b/content/common/view_messages.h
index d1e322e9efe091d535b7f2d441d15a7222c48879..badc79d1c448ed0beed79c8e6c74f386afbfb2c7 100644
--- a/content/common/view_messages.h
+++ b/content/common/view_messages.h
@@ -8,6 +8,8 @@
 #include "base/process.h"
 #include "base/shared_memory.h"
 #include "base/string16.h"
+#include "cc/compositor_frame.h"
+#include "cc/compositor_frame_ack.h"
 #include "content/common/content_export.h"
 #include "content/common/content_param_traits.h"
 #include "content/common/edit_command.h"
@@ -2243,6 +2245,11 @@ IPC_MESSAGE_ROUTED5(ViewHostMsg_CompositorSurfaceBuffersSwapped,
                     gfx::Size /* size */,
                     int32 /* gpu_process_host_id */)
 
+IPC_MESSAGE_ROUTED1(ViewHostMsg_SwapCompositorFrame,
+                    cc::CompositorFrame /* frame */)
+IPC_MESSAGE_ROUTED1(ViewHostMsg_SwapCompositorFrameAck,
+                    cc::CompositorFrameAck /* ack */)
+
 // Opens a file asynchronously. The response returns a file descriptor
 // and an error code from base/platform_file.h.
 IPC_MESSAGE_ROUTED3(ViewHostMsg_AsyncOpenFile,