Cleanup in ios/chrome and ios/public/test.

ios/chrome/browser/translate/translate_service_ios.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_BROWSER_TRANSLATE_TRANSLATE_SERVICE_IOS_H_
 #define IOS_CHROME_BROWSER_TRANSLATE_TRANSLATE_SERVICE_IOS_H_
 
+#include "base/macros.h"
 #include "components/web_resource/resource_request_allowed_notifier.h"
 
 class GURL;
 
 // Singleton managing the resources required for Translate.
 class TranslateServiceIOS
     : public web_resource::ResourceRequestAllowedNotifier::Observer {
  public:
   // Must be called before the Translate feature can be used.
   static void Initialize();
 
   // Must be called to shut down the Translate feature.
   static void Shutdown();
 
   // Returns true if the URL can be translated.
   static bool IsTranslatableURL(const GURL& url);
 
  private:
   TranslateServiceIOS();
   ~TranslateServiceIOS();
 
   // ResourceRequestAllowedNotifier::Observer methods.
   void OnResourceRequestsAllowed() override;
 
   // Helper class to know if it's allowed to make network resource requests.
   web_resource::ResourceRequestAllowedNotifier
       resource_request_allowed_notifier_;
+
+  DISALLOW_COPY_AND_ASSIGN(TranslateServiceIOS);
 };
 
 #endif  // IOS_CHROME_BROWSER_TRANSLATE_TRANSLATE_SERVICE_IOS_H_