[DevTools] Remote frontend is now embedded to iframe.

content/browser/devtools/devtools_http_handler_impl.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 <algorithm>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/files/file_util.h"
@@ skipping 956 matching lines @@
     scoped_ptr<ServerSocketFactory> server_socket_factory,
     const std::string& frontend_url,
     DevToolsHttpHandlerDelegate* delegate,
     const base::FilePath& output_directory)
     : thread_(nullptr),
       frontend_url_(frontend_url),
       server_wrapper_(nullptr),
       delegate_(delegate),
       weak_factory_(this) {
   if (frontend_url_.empty())
-    frontend_url_ = "/devtools/devtools.html";
+    frontend_url_ = "/devtools/inspector.html";
 
   BrowserThread::PostTask(
       BrowserThread::FILE, FROM_HERE,
       base::Bind(&StartServerOnFile,
                  weak_factory_.GetWeakPtr(),
                  base::Passed(&server_socket_factory),
                  output_directory,
                  delegate_->GetDebugFrontendDir(),
                  delegate_->BundlesFrontendResources()));
 }
@@ skipping 144 matching lines @@
         id.c_str(),
         host);
     dictionary->SetString(
         kTargetDevtoolsFrontendUrlField, devtools_frontend_url);
   }
 
   return dictionary;
 }
 
 }  // namespace content