cc: Make separate interface for BeginFrame ipc from OutputSurface

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 537e79303e106ba06e578f0eb4e146ed8001ee4e..ebd0907a97aea983c6d43cb7c0f7f38f20bb2fb2 100644
--- a/content/common/view_messages.h
+++ b/content/common/view_messages.h
@@ -904,10 +904,6 @@ IPC_MESSAGE_ROUTED3(ViewMsg_UpdateTopControlsState,
 
 IPC_MESSAGE_ROUTED0(ViewMsg_ShowImeIfNeeded)
 
-// Sent by the browser when the renderer should generate a new frame.
-IPC_MESSAGE_ROUTED1(ViewMsg_BeginFrame,
-                    cc::BeginFrameArgs /* args */)
-
 // Sent by the browser when an IME update that requires acknowledgement has been
 // processed on the browser side.
 IPC_MESSAGE_ROUTED0(ViewMsg_ImeEventAck)
@@ -957,9 +953,19 @@ IPC_MESSAGE_ROUTED0(ViewMsg_SelectWordAroundCaret)
 IPC_MESSAGE_ROUTED1(ViewMsg_ForceRedraw,
                     int /* request_id */)
 
+// Sent by the browser when the renderer should generate a new frame.
+IPC_MESSAGE_ROUTED1(ViewMsg_BeginFrame,
+                    cc::BeginFrameArgs /* args */)
+
 // -----------------------------------------------------------------------------
 // Messages sent from the renderer to the browser.
 
+// Sent by renderer to request a ViewMsg_BeginFrame message for upcoming
+// display events. If |enabled| is true, the BeginFrame message will continue
+// to be be delivered until the notification is disabled.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_SetNeedsBeginFrame,

[brianderson, 2014/10/18 00:08:45]

Let's rename this to SetNeedsBeginFrames (note the 's' at the end) to match the
naming used by Tim's recent refactor.

[simonhong, 2014/10/23 01:03:08]

Done.

+                    bool /* enabled */)
+
 // Sent by the renderer when it is creating a new window.  The browser creates
 // a tab for it and responds with a ViewMsg_CreatingNew_ACK.  If route_id is
 // MSG_ROUTING_NONE, the view couldn't be created.
@@ -1588,12 +1594,6 @@ IPC_MESSAGE_CONTROL3(ViewHostMsg_RunWebAudioMediaCodec,
                      base::FileDescriptor /* pcm_output */,
                      uint32_t /* data_size*/)
 
-// Sent by renderer to request a ViewMsg_BeginFrame message for upcoming
-// display events. If |enabled| is true, the BeginFrame message will continue
-// to be be delivered until the notification is disabled.
-IPC_MESSAGE_ROUTED1(ViewHostMsg_SetNeedsBeginFrame,
-                    bool /* enabled */)
-
 // Reply to the ViewMsg_ExtractSmartClipData message.
 IPC_MESSAGE_ROUTED3(ViewHostMsg_SmartClipDataExtracted,
                     base::string16 /* text */,