Add the ability for DevTools to wrap network transactions.

chrome/browser/devtools/chrome_devtools_manager_delegate.h

 // 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.
 
 #ifndef CHROME_BROWSER_DEVTOOLS_CHROME_DEVTOOLS_MANAGER_DELEGATE_H_
 #define CHROME_BROWSER_DEVTOOLS_CHROME_DEVTOOLS_MANAGER_DELEGATE_H_
 
+#include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
+#include "chrome/browser/devtools/devtools_protocol.h"
 #include "content/public/browser/devtools_manager_delegate.h"
 
+class Profile;
+
 class ChromeDevToolsManagerDelegate : public content::DevToolsManagerDelegate {
  public:
   ChromeDevToolsManagerDelegate();
   virtual ~ChromeDevToolsManagerDelegate();
 
   // content::DevToolsManagerDelegate overrides:
   virtual void Inspect(content::BrowserContext* browser_context,
                        content::DevToolsAgentHost* agent_host) OVERRIDE;
   virtual base::DictionaryValue* HandleCommand(
       content::DevToolsAgentHost* agent_host,
       base::DictionaryValue* command_dict) OVERRIDE;
 
  private:
+  base::Callback<void(content::DevToolsAgentHost*, bool)> devtools_callback_;
+  bool devtools_callback_registered_;
+  void EnsureDevtoolsCallbackRegistered();
+
+  Profile* GetProfile(content::DevToolsAgentHost* agent_host);
+
+  scoped_ptr<DevToolsProtocol::Response> EmulateNetworkConditions(
+      content::DevToolsAgentHost* agent_host,
+      DevToolsProtocol::Command* command);
+
+  void UpdateNetworkState(content::DevToolsAgentHost* agent_host, bool offline);
+
+  void OnDevToolsStateChanged(content::DevToolsAgentHost* agent_host,
+                              bool attached);
+
   DISALLOW_COPY_AND_ASSIGN(ChromeDevToolsManagerDelegate);
 };
 
 #endif  // CHROME_BROWSER_DEVTOOLS_CHROME_DEVTOOLS_MANAGER_DELEGATE_H_