Signal input flush when all flings have terminated

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 1461 matching lines @@
 // terminated.
 IPC_MESSAGE_CONTROL1(ViewHostMsg_SuddenTerminationChanged,
                      bool /* enabled */)
 
 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
 // certificate from a CA (<keygen> tag), and returns the signed public
 // key and challenge string.
 IPC_SYNC_MESSAGE_CONTROL3_1(ViewHostMsg_Keygen,
                             uint32 /* key size index */,
@@ skipping 184 matching lines @@
 // cached by the OS. Please see RenderMessageFilter::OnPreCacheFontCharacters
 // for details.
 IPC_SYNC_MESSAGE_CONTROL2_0(ViewHostMsg_PreCacheFontCharacters,
                             LOGFONT /* font_data */,
                             base::string16 /* characters */)
 #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.