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

ios/chrome/browser/ui/webui/flags_ui.cc

 // 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.
 
 #include "ios/chrome/browser/ui/webui/flags_ui.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 95 matching lines @@
   // Callback for the "enableExperimentalFeature" message.
   void HandleEnableExperimentalFeatureMessage(const base::ListValue* args);
 
   // Callback for the "restartBrowser" message. Restores all tabs on restart.
   void HandleRestartBrowser(const base::ListValue* args);
 
   // Callback for the "resetAllFlags" message.
   void HandleResetAllFlags(const base::ListValue* args);
 
  private:
-  scoped_ptr<flags_ui::FlagsStorage> flags_storage_;
+  std::unique_ptr<flags_ui::FlagsStorage> flags_storage_;
   flags_ui::FlagAccess access_;
   bool experimental_features_requested_;
 
   DISALLOW_COPY_AND_ASSIGN(FlagsDOMHandler);
 };
 
 void FlagsDOMHandler::RegisterMessages() {
   web_ui()->RegisterMessageCallback(
       flags_ui::kRequestExperimentalFeatures,
       base::Bind(&FlagsDOMHandler::HandleRequestExperimentalFeatures,
@@ skipping 24 matching lines @@
 void FlagsDOMHandler::HandleRequestExperimentalFeatures(
     const base::ListValue* args) {
   experimental_features_requested_ = true;
   // Bail out if the handler hasn't been initialized yet. The request will be
   // handled after the initialization.
   if (!flags_storage_)
     return;
 
   base::DictionaryValue results;
 
-  scoped_ptr<base::ListValue> supported_features(new base::ListValue);
-  scoped_ptr<base::ListValue> unsupported_features(new base::ListValue);
+  std::unique_ptr<base::ListValue> supported_features(new base::ListValue);
+  std::unique_ptr<base::ListValue> unsupported_features(new base::ListValue);
   GetFlagFeatureEntries(flags_storage_.get(), access_, supported_features.get(),
                         unsupported_features.get());
   results.Set(flags_ui::kSupportedFeatures, supported_features.release());
   results.Set(flags_ui::kUnsupportedFeatures, unsupported_features.release());
   // Cannot restart the browser on iOS.
   results.SetBoolean(flags_ui::kNeedsRestart, false);
   results.SetBoolean(flags_ui::kShowOwnerWarning,
                      access_ == flags_ui::kGeneralAccessFlagsOnly);
 
   results.SetBoolean(flags_ui::kShowBetaChannelPromotion, false);
@@ skipping 80 matching lines @@
 ///////////////////////////////////////////////////////////////////////////////
 //
 // AppleFlagsUI
 //
 ///////////////////////////////////////////////////////////////////////////////
 
 AppleFlagsUI::AppleFlagsUI(web::WebUIIOS* web_ui)
     : BaseFlagsUI(web_ui, BaseFlagsUI::FLAGS_UI_APPLE) {}
 
 AppleFlagsUI::~AppleFlagsUI() {}