Revert "DevTools: remove obsolete methods from DevToolsClientHost"

content/browser/debugger/devtools_client_host.h

 // 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.
 
 #ifndef CONTENT_BROWSER_DEBUGGER_DEVTOOLS_CLIENT_HOST_H_
 #define CONTENT_BROWSER_DEBUGGER_DEVTOOLS_CLIENT_HOST_H_
 #pragma once
 
 #include <string>
+#include <vector>
 
 #include "base/basictypes.h"
 #include "content/common/content_export.h"
 
 namespace IPC {
 class Message;
 }
 
+class RenderViewHost;
 class TabContents;
 
 // Describes interface for managing devtools clients from browser process. There
 // are currently two types of clients: devtools windows and TCP socket
 // debuggers.
 class CONTENT_EXPORT DevToolsClientHost {
  public:
   class CONTENT_EXPORT CloseListener {
    public:
     CloseListener() {}
     virtual ~CloseListener() {}
     virtual void ClientHostClosing(DevToolsClientHost* host) = 0;
    private:
     DISALLOW_COPY_AND_ASSIGN(CloseListener);
   };
 
+  static DevToolsClientHost* FindOwnerClientHost(RenderViewHost* client_rvh);
+
   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;
   }
 
   // Invoked when a tab is replaced by another tab. This is triggered by
   // TabStripModel::ReplaceTabContentsAt.
   virtual void TabReplaced(TabContents* new_tab) = 0;
 
+  // Returns client (front-end) RenderViewHost implementation of this
+  // client host if applicable. NULL otherwise.
+  virtual RenderViewHost* GetClientRenderViewHost();
+
  protected:
   DevToolsClientHost();
 
   void ForwardToDevToolsAgent(const IPC::Message& message);
 
   // 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  // CONTENT_BROWSER_DEBUGGER_DEVTOOLS_CLIENT_HOST_H_