Extract minimal RenderViewHost interface for embedders, leaving

chrome/renderer/extensions/chrome_v8_extension_handler.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
 #ifndef CHROME_RENDERER_EXTENSIONS_CHROME_V8_EXTENSION_HANDLER_H_
 #define CHROME_RENDERER_EXTENSIONS_CHROME_V8_EXTENSION_HANDLER_H_
 #pragma once
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "ipc/ipc_channel.h"
 #include "v8/include/v8.h"
 
 class ChromeV8Context;
 
 // Base class for context-scoped handlers used with ChromeV8Extension.
 class ChromeV8ExtensionHandler : public IPC::Channel::Listener {
  public:
   virtual v8::Handle<v8::Value> HandleNativeFunction(
       const std::string& name,
       const v8::Arguments& arguments) = 0;
   virtual ~ChromeV8ExtensionHandler();
 
   // IPC::Channel::Listener
   virtual bool OnMessageReceived(const IPC::Message& message) = 0;
 
  protected:
   explicit ChromeV8ExtensionHandler(ChromeV8Context* context);
-  int GetRoutingId();
+  int GetRoutingID();
   void Send(IPC::Message* message);
   ChromeV8Context* context_;
 
  private:
   int routing_id_;
   DISALLOW_COPY_AND_ASSIGN(ChromeV8ExtensionHandler);
 };
 
 #endif  // CHROME_RENDERER_EXTENSIONS_CHROME_V8_EXTENSION_HANDLER_H_