[iOS] Integration of ChromeNetLog and NetExportUI

ios/chrome/test/testing_application_context.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 IOS_CHROME_TEST_TESTING_APPLICATION_CONTEXT_H_
 #define IOS_CHROME_TEST_TESTING_APPLICATION_CONTEXT_H_
 
 #include "base/macros.h"
 #include "base/threading/thread_checker.h"
 #include "ios/chrome/browser/application_context.h"
@@ skipping 14 matching lines @@
   void SetChromeBrowserStateManager(ios::ChromeBrowserStateManager* manager);
 
   // ApplicationContext implementation.
   PrefService* GetLocalState() override;
   net::URLRequestContextGetter* GetSystemURLRequestContext() override;
   const std::string& GetApplicationLocale() override;
   ios::ChromeBrowserStateManager* GetChromeBrowserStateManager() override;
   metrics::MetricsService* GetMetricsService() override;
   policy::BrowserPolicyConnector* GetBrowserPolicyConnector() override;
   rappor::RapporService* GetRapporService() override;
+  net_log::ChromeNetLog* GetNetLog() override;
 
  private:
   base::ThreadChecker thread_checker_;
   std::string application_locale_;
   PrefService* local_state_;
   ios::ChromeBrowserStateManager* chrome_browser_state_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(TestingApplicationContext);
 };
 
 #endif  // IOS_CHROME_TEST_TESTING_APPLICATION_CONTEXT_H_