Bring back 'navigated' notification for --remote-shell-port protocol

chrome/browser/debugger/devtools_client_host.h

 // Copyright (c) 2009 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_BROWSER_DEBUGGER_DEVTOOLS_CLIENT_HOST_H_
 #define CHROME_BROWSER_DEBUGGER_DEVTOOLS_CLIENT_HOST_H_
 #pragma once
 
+#include <string>
+
 #include "base/basictypes.h"
 
 namespace IPC {
 class Message;
 }
 
 class DevToolsWindow;
 
 // Describes interface for managing devtools clients from browser process. There
 // are currently two types of clients: devtools windows and TCP socket
 // debuggers.
 class DevToolsClientHost {
  public:
   class CloseListener {
    public:
     CloseListener() {}
     virtual ~CloseListener() {}
     virtual void ClientHostClosing(DevToolsClientHost* host) = 0;
    private:
     DISALLOW_COPY_AND_ASSIGN(CloseListener);
   };
 
   virtual ~DevToolsClientHost() {}
 
   // This method is called when tab inspected by this devtools client is
   // closing.
   virtual void InspectedTabClosing() = 0;
 
+  // This method is called when tab inspected by this devtools client is
+  // navigating to |url|.
+  virtual void FrameNavigating(const std::string& url) = 0;
+
   // Sends the message to the devtools client hosted by this object.
   virtual void SendMessageToClient(const IPC::Message& msg) = 0;
 
   void set_close_listener(CloseListener* listener) {
     close_listener_ = listener;
   }
 
   virtual DevToolsWindow* AsDevToolsWindow();
 
  protected:
   DevToolsClientHost() : close_listener_(NULL) {}
 
   // Should be called when the devtools client is going to die and this
   // DevToolsClientHost should not be used anymore.
   void NotifyCloseListener();
 
  private:
   CloseListener* close_listener_;
   DISALLOW_COPY_AND_ASSIGN(DevToolsClientHost);
 };
 
 #endif  // CHROME_BROWSER_DEBUGGER_DEVTOOLS_CLIENT_HOST_H_