DevTools: make network conditions emulation scoped (browser)

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"
@@ skipping 19 matching lines @@
  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);
-  std::string emulate_network_conditions_client_id_;
 
   void UpdateNetworkState(
       content::DevToolsAgentHost* agent_host,
       const scoped_refptr<DevToolsNetworkConditions> conditions);
 
   void OnDevToolsStateChanged(content::DevToolsAgentHost* agent_host,
                               bool attached);
 
   DISALLOW_COPY_AND_ASSIGN(ChromeDevToolsManagerDelegate);
 };
 
 #endif  // CHROME_BROWSER_DEVTOOLS_CHROME_DEVTOOLS_MANAGER_DELEGATE_H_