DevTools: allow embedder handling remote debugger commands.

chrome/browser/devtools/chrome_devtools_manager_delegate.cc

 // Copyright 2014 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 "chrome/browser/devtools/chrome_devtools_manager_delegate.h"
 
 #include "chrome/browser/devtools/devtools_window.h"
 #include "chrome/browser/profiles/profile.h"
 #include "content/public/browser/devtools_agent_host.h"
 
 ChromeDevToolsManagerDelegate::ChromeDevToolsManagerDelegate() {
 }
 
 ChromeDevToolsManagerDelegate::~ChromeDevToolsManagerDelegate() {
 }
 
 void ChromeDevToolsManagerDelegate::Inspect(
     content::BrowserContext* browser_context,
     content::DevToolsAgentHost* agent_host) {
   if (!agent_host->IsWorker()) {
     // TODO(horo): Support other types of DevToolsAgentHost when necessary.
     NOTREACHED() << "Inspect() only supports workers.";
   }
 #if !defined(OS_ANDROID)
   if (Profile* profile = Profile::FromBrowserContext(browser_context))
     DevToolsWindow::OpenDevToolsWindowForWorker(profile, agent_host);
 #endif
 }
+
+base::DictionaryValue* ChromeDevToolsManagerDelegate::HandleCommand(
+    content::DevToolsAgentHost* agent_host,
+    base::DictionaryValue* command_dict) {
+  return NULL;
+}