Convert //ios from scoped_ptr to std::unique_ptr.

ios/chrome/browser/browser_state/chrome_browser_state_impl_io_data.h

 // Copyright 2015 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_BROWSER_STATE_CHROME_BROWSER_STATE_IMPL_IO_DATA_H_
 #define IOS_CHROME_BROWSER_BROWSER_STATE_CHROME_BROWSER_STATE_IMPL_IO_DATA_H_
 
 #include "base/callback_forward.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
@@ skipping 61 matching lines @@
     // Lazily initialize ProfileParams. We do this on the calls to
     // Get*RequestContextGetter(), so we only initialize ProfileParams right
     // before posting a task to the IO thread to start using them. This prevents
     // objects that are supposed to be deleted on the IO thread, but are created
     // on the UI thread from being unnecessarily initialized.
     void LazyInitialize() const;
 
     // Collect references to context getters in reverse order, i.e. last item
     // will be main request getter. This list is passed to |io_data_|
     // for invalidation on IO thread.
-    scoped_ptr<IOSChromeURLRequestContextGetterVector> GetAllContextGetters();
+    std::unique_ptr<IOSChromeURLRequestContextGetterVector>
+    GetAllContextGetters();
 
     // The getters will be invalidated on the IO thread before
     // ChromeBrowserStateIOData instance is deleted.
     mutable scoped_refptr<IOSChromeURLRequestContextGetter>
         main_request_context_getter_;
     mutable IOSChromeURLRequestContextGetterMap app_request_context_getter_map_;
     ChromeBrowserStateImplIOData* const io_data_;
 
     ios::ChromeBrowserState* const browser_state_;
 
@@ skipping 13 matching lines @@
     base::FilePath cookie_path;
     base::FilePath channel_id_path;
     base::FilePath cache_path;
     int cache_max_size;
   };
 
   ChromeBrowserStateImplIOData();
   ~ChromeBrowserStateImplIOData() override;
 
   void InitializeInternal(
-      scoped_ptr<IOSChromeNetworkDelegate> chrome_network_delegate,
+      std::unique_ptr<IOSChromeNetworkDelegate> chrome_network_delegate,
       ProfileParams* profile_params,
       ProtocolHandlerMap* protocol_handlers) const override;
   AppRequestContext* InitializeAppRequestContext(
       net::URLRequestContext* main_context) const override;
   AppRequestContext* AcquireIsolatedAppRequestContext(
       net::URLRequestContext* main_context) const override;
 
   // Deletes all network related data since |time|. It deletes transport
   // security state since |time| and also deletes HttpServerProperties data.
   // Works asynchronously, however if the |completion| callback is non-null,
   // it will be posted on the UI thread once the removal process completes.
   void ClearNetworkingHistorySinceOnIOThread(base::Time time,
                                              const base::Closure& completion);
 
-  mutable scoped_ptr<IOSChromeNetworkDelegate> network_delegate_;
+  mutable std::unique_ptr<IOSChromeNetworkDelegate> network_delegate_;
 
   // Lazy initialization params.
-  mutable scoped_ptr<LazyParams> lazy_params_;
+  mutable std::unique_ptr<LazyParams> lazy_params_;
 
   mutable scoped_refptr<JsonPrefStore> network_json_store_;
 
-  mutable scoped_ptr<net::HttpNetworkSession> http_network_session_;
-  mutable scoped_ptr<net::HttpTransactionFactory> main_http_factory_;
+  mutable std::unique_ptr<net::HttpNetworkSession> http_network_session_;
+  mutable std::unique_ptr<net::HttpTransactionFactory> main_http_factory_;
 
   // Same as |ChromeBrowserState::http_server_properties_|, owned there to
   // maintain destruction ordering.
   mutable net::HttpServerPropertiesManager* http_server_properties_manager_;
 
-  mutable scoped_ptr<net::CookieStore> main_cookie_store_;
+  mutable std::unique_ptr<net::CookieStore> main_cookie_store_;
 
-  mutable scoped_ptr<net::URLRequestJobFactory> main_job_factory_;
+  mutable std::unique_ptr<net::URLRequestJobFactory> main_job_factory_;
 
-  mutable scoped_ptr<net::SdchManager> sdch_manager_;
-  mutable scoped_ptr<net::SdchOwner> sdch_policy_;
+  mutable std::unique_ptr<net::SdchManager> sdch_manager_;
+  mutable std::unique_ptr<net::SdchOwner> sdch_policy_;
 
   // Parameters needed for isolated apps.
   base::FilePath profile_path_;
   int app_cache_max_size_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeBrowserStateImplIOData);
 };
 
 #endif  // IOS_CHROME_BROWSER_BROWSER_STATE_CHROME_BROWSER_STATE_IMPL_IO_DATA_H_