Remove an unused IPC message.

chrome/common/render_messages_internal.h

 // Copyright (c) 2010 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.
 
 // This header is meant to be included in multiple passes, hence no traditional
 // header guard.
 // See ipc_message_macros.h for explanation of the macros and passes.
 
 #include <map>
 #include <string>
@@ skipping 1850 matching lines @@
   // Initiates an update of the appcache associated with host_id.
   IPC_SYNC_MESSAGE_CONTROL1_1(AppCacheMsg_StartUpdate,
                               int /* host_id */,
                               bool /* success */)
 
   // Swaps a new pending appcache, if there is one, into use for host_id.
   IPC_SYNC_MESSAGE_CONTROL1_1(AppCacheMsg_SwapCache,
                               int /* host_id */,
                               bool /* success */)
 
-  // Returns the resizer box location in the window this widget is embedded.
-  // Important for Mac OS X, but not Win or Linux.
-  IPC_SYNC_MESSAGE_ROUTED1_1(ViewHostMsg_GetRootWindowResizerRect,
-                             gfx::NativeViewId /* window */,
-                             gfx::Rect /* Out: Window location */)
-
   // Queries the browser for AutoFill suggestions for a form input field.
   IPC_MESSAGE_ROUTED3(ViewHostMsg_QueryFormFieldAutoFill,
                       int /* id of this message */,
                       bool /* form_autofilled */,
                       webkit_glue::FormField /* the form field */)
 
   // Instructs the browser to fill in the values for a form using AutoFill
   // profile data.
   IPC_MESSAGE_ROUTED5(ViewHostMsg_FillAutoFillFormData,
                       int /* id of this message */,
@@ skipping 637 matching lines @@
   // Send the tree of accessibility data to the browser, where it's cached
   // in order to respond to OS accessibility queries immediately.
   IPC_MESSAGE_ROUTED1(ViewHostMsg_AccessibilityTree,
                       webkit_glue::WebAccessibility)
 
   // Notifies the TabContents that the content being displayed is PDF.
   // This allows the browser to handle things such as zooming differently.
   IPC_MESSAGE_ROUTED0(ViewHostMsg_SetDisplayingPDFContent)
 
 IPC_END_MESSAGES(ViewHost)