Get rid of temporary render_view_host.h.

chrome/browser/ui/cocoa/notifications/balloon_view_host_mac.mm

 // 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.
 
 #include "chrome/browser/ui/cocoa/notifications/balloon_view_host_mac.h"
 
-#include "chrome/browser/renderer_host/render_view_host.h"
 #include "chrome/browser/renderer_host/render_widget_host_view_mac.h"
+#include "content/browser/renderer_host/render_view_host.h"
 
 BalloonViewHost::BalloonViewHost(Balloon* balloon)
     : BalloonHost(balloon) {
 }
 
 BalloonViewHost::~BalloonViewHost() {
    Shutdown();
 }
 
 void BalloonViewHost::UpdateActualSize(const gfx::Size& new_size) {
@@ skipping 11 matching lines @@
 }
 
 void BalloonViewHost::InitRenderWidgetHostView() {
   DCHECK(render_view_host_);
   render_widget_host_view_ = new RenderWidgetHostViewMac(render_view_host_);
 }
 
 RenderWidgetHostView* BalloonViewHost::render_widget_host_view() const {
   return render_widget_host_view_;
 }