Aura: Browser-side changes for Composite-To-Mailbox

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 62e50c935b9d9e0bc0e9f59fc07a8ee35fa7551b..c4a366f9843804d64cdfc8c99817e554f3598e18 100644
--- a/content/common/view_messages.h
+++ b/content/common/view_messages.h
@@ -1378,6 +1378,10 @@ IPC_MESSAGE_ROUTED1(ViewMsg_SelectPopupMenuItem,
                     int /* selected index, -1 means no selection */)
 #endif
 
+// Sent by the browser as a reply to ViewHostMsg_SwapCompositorFrame.
+IPC_MESSAGE_ROUTED1(ViewMsg_SwapCompositorFrameAck,
+                    cc::CompositorFrameAck /* ack */)
+
 // -----------------------------------------------------------------------------
 // Messages sent from the renderer to the browser.
 
@@ -2099,8 +2103,6 @@ IPC_MESSAGE_ROUTED5(ViewHostMsg_CompositorSurfaceBuffersSwapped,
 
 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.