DevTools: refactor remote debugging server to enable content_shell debugging.

content/public/browser/devtools_http_handler.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_PUBLIC_BROWSER_DEVTOOLS_HTTP_HANDLER_H_
 #define CONTENT_PUBLIC_BROWSER_DEVTOOLS_HTTP_HANDLER_H_
 #pragma once
 
 #include <string>
 
 #include "content/common/content_export.h"
 
 namespace content {
 
 class DevToolsHttpHandlerDelegate;
 
 // This class is used for managing DevTools remote debugging server.
 // Clients can connect to the specified ip:port and start debugging
 // this browser.
 class DevToolsHttpHandler {
  public:
+  // Returns frontend resource id for the given resource |name|.
+  CONTENT_EXPORT static int GetFrontendResourceId(
+      const std::string& name);
+
   // Takes ownership over |delegate|.
   CONTENT_EXPORT static DevToolsHttpHandler* Start(
       const std::string& ip,
       int port,
       const std::string& frontend_url,
       DevToolsHttpHandlerDelegate* delegate);
 
   // Called from the main thread in order to stop protocol handler.
   // Automatically destroys the handler instance.
   virtual void Stop() = 0;
 
  protected:
   virtual ~DevToolsHttpHandler() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_DEVTOOLS_HTTP_HANDLER_H_