Remove ScopedVector from ios/.

ios/chrome/browser/ui/webui/gcm/gcm_internals_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/gcm/gcm_internals_ui.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/macros.h"
+#include "base/memory/ptr_util.h"
 #include "base/memory/weak_ptr.h"
 #include "base/values.h"
 #include "components/gcm_driver/gcm_client.h"
 #include "components/gcm_driver/gcm_driver.h"
 #include "components/gcm_driver/gcm_internals_constants.h"
 #include "components/gcm_driver/gcm_internals_helper.h"
 #include "components/gcm_driver/gcm_profile_service.h"
 #include "components/grit/components_resources.h"
 #include "ios/chrome/browser/browser_state/chrome_browser_state.h"
 #include "ios/chrome/browser/chrome_url_constants.h"
@@ skipping 142 matching lines @@
   // Add required resources.
   html_source->AddResourcePath(gcm_driver::kGcmInternalsCSS,
                                IDR_GCM_DRIVER_GCM_INTERNALS_CSS);
   html_source->AddResourcePath(gcm_driver::kGcmInternalsJS,
                                IDR_GCM_DRIVER_GCM_INTERNALS_JS);
   html_source->SetDefaultResource(IDR_GCM_DRIVER_GCM_INTERNALS_HTML);
 
   web::WebUIIOSDataSource::Add(ios::ChromeBrowserState::FromWebUIIOS(web_ui),
                                html_source);
 
-  web_ui->AddMessageHandler(new GcmInternalsUIMessageHandler());
+  web_ui->AddMessageHandler(base::MakeUnique<GcmInternalsUIMessageHandler>());
 }
 
 GCMInternalsUI::~GCMInternalsUI() {}