Respect the order of input messages from browser to renderer

content/common/frame_messages.h

 // Copyright 2013 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 interacting with frames.
 // Multiply-included message file, hence no include guard.
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 697 matching lines @@
                     bool  /* if true, a user gesture indicator is created */)
 
 // Same as FrameMsg_JavaScriptExecuteRequest above except the script is
 // run in the isolated world specified by the fourth parameter.
 IPC_MESSAGE_ROUTED4(FrameMsg_JavaScriptExecuteRequestInIsolatedWorld,
                     base::string16, /* javascript */
                     int, /* ID */
                     bool, /* if true, a reply is requested */
                     int /* world_id */)
 
-// Selects between the given start and end offsets in the currently focused
-// editable field.
-IPC_MESSAGE_ROUTED2(FrameMsg_SetEditableSelectionOffsets,
-                    int /* start */,
-                    int /* end */)
-
 // Requests a navigation to the supplied markup, in an iframe with sandbox
 // attributes.
 IPC_MESSAGE_ROUTED1(FrameMsg_SetupTransitionView,
                     std::string /* markup */)
 
 // Tells the renderer to hide the elements specified by the supplied CSS
 // selector, and activates any exiting-transition stylesheets.
 IPC_MESSAGE_ROUTED2(FrameMsg_BeginExitTransition,
                     std::string /* css_selector */,
                     bool /* exit_to_native_app */)
@@ skipping 738 matching lines @@
 IPC_MESSAGE_ROUTED3(FrameHostMsg_FindMatchRects_Reply,
                     int /* version */,
                     std::vector<gfx::RectF> /* rects */,
                     gfx::RectF /* active_rect */)
 #endif
 
 // Adding a new message? Stick to the sort order above: first platform
 // independent FrameMsg, then ifdefs for platform specific FrameMsg, then
 // platform independent FrameHostMsg, then ifdefs for platform specific
 // FrameHostMsg.