Deliver IPC messages together with SwapCompositorFrame

content/common/view_messages.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // IPC messages for page rendering.
 // Multiply-included message file, hence no include guard.
 
 #include "base/memory/shared_memory.h"
 #include "base/process/process.h"
 #include "base/strings/string16.h"
@@ skipping 1456 matching lines @@
   IPC_STRUCT_MEMBER(std::vector<ui::LatencyInfo>, latency_info)
 IPC_STRUCT_END()
 
 // This message is synthesized by GpuProcessHost to pass through a swap message
 // to the RenderWidgetHelper. This allows GetBackingStore to block for either a
 // software or GPU frame.
 IPC_MESSAGE_ROUTED1(
     ViewHostMsg_CompositorSurfaceBuffersSwapped,
     ViewHostMsg_CompositorSurfaceBuffersSwapped_Params /* params */)
 
-IPC_MESSAGE_ROUTED2(ViewHostMsg_SwapCompositorFrame,
-                    uint32 /* output_surface_id */,
-                    cc::CompositorFrame /* frame */)
+IPC_MESSAGE_ROUTED3(
+    ViewHostMsg_SwapCompositorFrame,
+    uint32 /* output_surface_id */,
+    cc::CompositorFrame /* frame */,
+    std::vector<IPC::Message> /* messages_to_deliver_with_frame */)
 
 // Sent by the compositor when a flinging animation is stopped.
 IPC_MESSAGE_ROUTED0(ViewHostMsg_DidStopFlinging)
 
 //---------------------------------------------------------------------------
 // Request for cryptographic operation messages:
 // These are messages from the renderer to the browser to perform a
 // cryptographic operation.
 
 // Asks the browser process to generate a keypair for grabbing a client
@@ skipping 93 matching lines @@
 
 // Notifies the browser that document has parsed the body. This is used by the
 // ResourceScheduler as an indication that bandwidth contention won't block
 // first paint.
 IPC_MESSAGE_ROUTED0(ViewHostMsg_WillInsertBody)
 
 // Notification that the urls for the favicon of a site has been determined.
 IPC_MESSAGE_ROUTED1(ViewHostMsg_UpdateFaviconURL,
                     std::vector<content::FaviconURL> /* candidates */)
 
-// Sent once a paint happens after the first non empty layout. In other words
-// after the page has painted something.
-IPC_MESSAGE_ROUTED0(ViewHostMsg_DidFirstVisuallyNonEmptyPaint)
-
 // Sent by the renderer to the browser to start a vibration with the given
 // duration.
 IPC_MESSAGE_CONTROL1(ViewHostMsg_Vibrate,
                      int64 /* milliseconds */)
 
 // Sent by the renderer to the browser to cancel the currently running
 // vibration, if there is one.
 IPC_MESSAGE_CONTROL0(ViewHostMsg_CancelVibration)
 
 // Message sent from renderer to the browser when the element that is focused
@@ skipping 115 matching lines @@
 // synchronously (see crbug.com/120597). This IPC message sends the character
 // bounds after every composition change to always have correct bound info.
 IPC_MESSAGE_ROUTED2(ViewHostMsg_ImeCompositionRangeChanged,
                     gfx::Range /* composition range */,
                     std::vector<gfx::Rect> /* character bounds */)
 #endif
 
 // Adding a new message? Stick to the sort order above: first platform
 // independent ViewMsg, then ifdefs for platform specific ViewMsg, then platform
 // independent ViewHostMsg, then ifdefs for platform specific ViewHostMsg.