Convert //chrome/browser/extensions from scoped_ptr to std::unique_ptr

chrome/browser/extensions/api/identity/gaia_web_auth_flow.h

 // Copyright (c) 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_EXTENSIONS_API_IDENTITY_GAIA_WEB_AUTH_FLOW_H_
 #define CHROME_BROWSER_EXTENSIONS_API_IDENTITY_GAIA_WEB_AUTH_FLOW_H_
 
 #include "base/macros.h"
 #include "chrome/browser/extensions/api/identity/extension_token_key.h"
 #include "chrome/browser/extensions/api/identity/web_auth_flow.h"
@@ skipping 63 matching lines @@
   void OnUbertokenFailure(const GoogleServiceAuthError& error) override;
 
   // WebAuthFlow::Delegate implementation.
   void OnAuthFlowFailure(WebAuthFlow::Failure failure) override;
   void OnAuthFlowURLChange(const GURL& redirect_url) override;
   void OnAuthFlowTitleChange(const std::string& title) override;
 
  private:
   // Creates a WebAuthFlow, which will navigate to |url|. Can override
   // for testing. Used to kick off the MergeSession (step #2).
-  virtual scoped_ptr<WebAuthFlow> CreateWebAuthFlow(GURL url);
+  virtual std::unique_ptr<WebAuthFlow> CreateWebAuthFlow(GURL url);
 
   Delegate* delegate_;
   Profile* profile_;
   std::string account_id_;
   std::string redirect_scheme_;
   std::string redirect_path_prefix_;
   GURL auth_url_;
-  scoped_ptr<UbertokenFetcher> ubertoken_fetcher_;
-  scoped_ptr<WebAuthFlow> web_flow_;
+  std::unique_ptr<UbertokenFetcher> ubertoken_fetcher_;
+  std::unique_ptr<WebAuthFlow> web_flow_;
 
   DISALLOW_COPY_AND_ASSIGN(GaiaWebAuthFlow);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_IDENTITY_GAIA_WEB_AUTH_FLOW_H_