[DevTools] Load DevTools frontend without iframe (chromium part).

content/renderer/devtools/devtools_agent.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 "content/renderer/devtools/devtools_agent.h"
 
 #include <map>
 
 #include "base/lazy_instance.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 243 matching lines @@
   web_frame->addMessageToConsole(
       WebConsoleMessage(target_level, WebString::fromUTF8(message)));
 }
 
 void DevToolsAgent::ContinueProgram() {
   WebDevToolsAgent* web_agent = GetWebAgent();
   if (web_agent)
     web_agent->continueProgram();
 }
 
-void DevToolsAgent::OnSetupDevToolsClient() {
+void DevToolsAgent::OnSetupDevToolsClient(
+    const std::string& compatibility_script) {
   // We only want to register once; and only in main frame.
   DCHECK(!frame_->GetWebFrame() || !frame_->GetWebFrame()->parent());
   if (is_devtools_client_)
     return;
   is_devtools_client_ = true;
-  new DevToolsClient(frame_);
+  new DevToolsClient(frame_, compatibility_script);
 }
 
 WebDevToolsAgent* DevToolsAgent::GetWebAgent() {
   WebLocalFrame* web_frame = frame_->GetWebFrame();
   return web_frame ? web_frame->devToolsAgent() : nullptr;
 }
 
 bool DevToolsAgent::IsAttached() {
   return is_attached_;
 }
 
 }  // namespace content