Make OAuth2TokenService and subclasses take delegate by unique_ptr

chrome/browser/signin/oauth2_token_service_delegate_android.h

 // Copyright 2013 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_SIGNIN_OAUTH2_TOKEN_SERVICE_DELEGATE_ANDROID_H_
 #define CHROME_BROWSER_SIGNIN_OAUTH2_TOKEN_SERVICE_DELEGATE_ANDROID_H_
 
 #include <jni.h>
 
 #include <map>
@@ skipping 13 matching lines @@
 // A specialization of OAuth2TokenServiceDelegate that will be returned by
 // OAuth2TokenServiceDelegateFactory for OS_ANDROID.  This instance uses
 // native Android features to lookup OAuth2 tokens.
 //
 // See |OAuth2TokenServiceDelegate| for usage details.
 //
 // Note: requests should be started from the UI thread. To start a
 // request from other thread, please use OAuth2TokenServiceRequest.
 class OAuth2TokenServiceDelegateAndroid : public OAuth2TokenServiceDelegate {
  public:
+  OAuth2TokenServiceDelegateAndroid(
+      AccountTrackerService* account_tracker_service);
+  ~OAuth2TokenServiceDelegateAndroid() override;
+
   // Registers the OAuth2TokenServiceDelegateAndroid's native methods through
   // JNI.
   static bool Register(JNIEnv* env);
 
   // Creates a new instance of the OAuth2TokenServiceDelegateAndroid.
   static OAuth2TokenServiceDelegateAndroid* Create();
 
   // Returns a reference to the Java instance of this service.
   static base::android::ScopedJavaLocalRef<jobject>
   GetForProfile(JNIEnv* env, jclass clazz, jobject j_profile_android);
@@ skipping 45 matching lines @@
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>& obj);
 
   // Overridden from OAuth2TokenService to complete signout of all
   // OA2TService aware accounts.
   void RevokeAllCredentials() override;
 
   void LoadCredentials(const std::string& primary_account_id) override;
 
  protected:
-  friend class ProfileOAuth2TokenServiceFactory;
-  OAuth2TokenServiceDelegateAndroid(
-      AccountTrackerService* account_tracker_service);
-  ~OAuth2TokenServiceDelegateAndroid() override;
-
   OAuth2AccessTokenFetcher* CreateAccessTokenFetcher(
       const std::string& account_id,
       net::URLRequestContextGetter* getter,
       OAuth2AccessTokenConsumer* consumer) override;
 
   // Overridden from OAuth2TokenService to intercept token fetch requests and
   // redirect them to the Account Manager.
   void InvalidateAccessToken(const std::string& account_id,
                              const std::string& client_id,
                              const OAuth2TokenService::ScopeSet& scopes,
@@ skipping 41 matching lines @@
 
   AccountTrackerService* account_tracker_service_;
   RefreshTokenLoadStatus fire_refresh_token_loaded_;
 
   static bool is_testing_profile_;
 
   DISALLOW_COPY_AND_ASSIGN(OAuth2TokenServiceDelegateAndroid);
 };
 
 #endif  // CHROME_BROWSER_SIGNIN_OAUTH2_TOKEN_SERVICE_DELEGATE_ANDROID_H_