Extract minimal RenderViewHost interface for embedders, leaving

content/shell/shell_render_view_host_observer.cc

 // 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.
 
 #include "content/shell/shell_render_view_host_observer.h"
 
 #include <iostream>
 
 #include "base/message_loop.h"
 #include "content/browser/renderer_host/render_view_host.h"
@@ skipping 26 matching lines @@
   return handled;
 }
 
 void ShellRenderViewHostObserver::OnTextDump(const std::string& dump) {
   std::cout << dump;
   MessageLoop::current()->PostTask(FROM_HERE, MessageLoop::QuitClosure());
 }
 
 void ShellRenderViewHostObserver::OnNotifyDone() {
   render_view_host()->Send(
-      new ShellViewMsg_CaptureTextDump(render_view_host()->routing_id(),
+      new ShellViewMsg_CaptureTextDump(render_view_host()->GetRoutingID(),
                                        dump_child_frames_));
 }
 
 void ShellRenderViewHostObserver::OnDumpAsText() {
 }
 
 void ShellRenderViewHostObserver::OnDumpChildFramesAsText() {
   dump_child_frames_ = true;
 }
 
 void ShellRenderViewHostObserver::OnWaitUntilDone() {
   Shell* shell = Shell::FromRenderViewHost(render_view_host());
   shell->set_wait_until_done();
 }
 
 }  // namespace content