[ObjC ARC] Converts components/translate/ios/browser:browser to ARC.

components/translate/ios/browser/translate_controller.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 COMPONENTS_TRANSLATE_IOS_BROWSER_TRANSLATE_CONTROLLER_H_
 #define COMPONENTS_TRANSLATE_IOS_BROWSER_TRANSLATE_CONTROLLER_H_
 
 #include <string>
 
 #include "base/gtest_prod_util.h"
-#include "base/mac/scoped_nsobject.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "ios/web/public/web_state/web_state_observer.h"
 
 @class JsTranslateManager;
 class GURL;
 
 namespace base {
 class DictionaryValue;
 }
@@ skipping 40 matching lines @@
   void StartTranslation(const std::string& source_language,
                         const std::string& target_language);
 
   // Checks the translation status and calls the observer when it is done.
   // This method must be called after StartTranslation().
   void CheckTranslateStatus();
 
   // Changes the JsTranslateManager used by this TranslateController.
   // Only used for testing.
   void SetJsTranslateManagerForTesting(JsTranslateManager* manager) {
-    js_manager_.reset([manager retain]);
+    js_manager_ = manager;
   }
 
  private:
   FRIEND_TEST_ALL_PREFIXES(TranslateControllerTest,
                            OnJavascriptCommandReceived);
   FRIEND_TEST_ALL_PREFIXES(TranslateControllerTest,
                            OnTranslateScriptReadyTimeoutCalled);
   FRIEND_TEST_ALL_PREFIXES(TranslateControllerTest,
                            OnTranslateScriptReadyCalled);
   FRIEND_TEST_ALL_PREFIXES(TranslateControllerTest, TranslationSuccess);
   FRIEND_TEST_ALL_PREFIXES(TranslateControllerTest, TranslationFailure);
 
   // Called when a JavaScript command is received.
   bool OnJavascriptCommandReceived(const base::DictionaryValue& command,
                                    const GURL& url,
                                    bool interacting);
   // Methods to handle specific JavaScript commands.
   // Return false if the command is invalid.
   bool OnTranslateReady(const base::DictionaryValue& command);
   bool OnTranslateComplete(const base::DictionaryValue& command);
 
   // web::WebStateObserver implementation:
   void WebStateDestroyed() override;
 
   Observer* observer_;
-  base::scoped_nsobject<JsTranslateManager> js_manager_;
+  JsTranslateManager* js_manager_;
   base::WeakPtrFactory<TranslateController> weak_method_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TranslateController);
 };
 
 }  // namespace translate
 
 #endif  // COMPONENTS_TRANSLATE_IOS_BROWSER_TRANSLATE_CONTROLLER_H_