Get rid of view_messages.h includes in chrome\renderer.

content/renderer/render_view_impl.cc

 // Copyright (c) 2011 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.
 
 #include "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 #include <string>
 #include <vector>
@@ skipping 3812 matching lines @@
   webview()->mainFrame()->loadHTMLString(std::string(),
                                          GURL("about:swappedout"),
                                          GURL("about:swappedout"),
                                          false);
 
   // Just echo back the params in the ACK.
   Send(new ViewHostMsg_SwapOut_ACK(routing_id_, params));
 }
 
 void RenderViewImpl::OnClosePage() {
+  FOR_EACH_OBSERVER(RenderViewObserver, observers_, ClosePage());
   // TODO(creis): We'd rather use webview()->Close() here, but that currently
   // sets the WebView's delegate_ to NULL, preventing any JavaScript dialogs
   // in the onunload handler from appearing.  For now, we're bypassing that and
   // calling the FrameLoader's CloseURL method directly.  This should be
   // revisited to avoid having two ways to close a page.  Having a single way
   // to close that can run onunload is also useful for fixing
   // http://b/issue?id=753080.
   webview()->dispatchUnloadEvent();
 
   Send(new ViewHostMsg_ClosePage_ACK(routing_id_));
@@ skipping 750 matching lines @@
   pepper_delegate_.OnLockMouseACK(succeeded);
 }
 
 void RenderViewImpl::OnMouseLockLost() {
   pepper_delegate_.OnMouseLockLost();
 }
 
 bool RenderViewImpl::WebWidgetHandlesCompositorScheduling() const {
   return webview()->settings()->useThreadedCompositor();
 }