Update SupportsUserData uses with unique_ptr.

components/subresource_filter/content/browser/content_subresource_filter_driver_factory.cc

 // Copyright 2016 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 "components/subresource_filter/content/browser/content_subresource_filter_driver_factory.h"
 
 #include "base/feature_list.h"
+#include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/rand_util.h"
 #include "base/time/time.h"
 #include "components/subresource_filter/content/browser/content_activation_list_utils.h"
 #include "components/subresource_filter/content/browser/subresource_filter_client.h"
 #include "components/subresource_filter/core/browser/subresource_filter_features.h"
 #include "components/subresource_filter/core/common/activation_list.h"
 #include "components/subresource_filter/core/common/activation_state.h"
 #include "content/public/browser/navigation_handle.h"
 #include "content/public/browser/navigation_throttle.h"
@@ skipping 34 matching lines @@
   } while (0)
 
 }  // namespace
 
 // static
 void ContentSubresourceFilterDriverFactory::CreateForWebContents(
     content::WebContents* web_contents,
     std::unique_ptr<SubresourceFilterClient> client) {
   if (FromWebContents(web_contents))
     return;
-  web_contents->SetUserData(kWebContentsUserDataKey,
-                            new ContentSubresourceFilterDriverFactory(
-                                web_contents, std::move(client)));
+  web_contents->SetUserData(
+      kWebContentsUserDataKey,
+      base::MakeUnique<ContentSubresourceFilterDriverFactory>(
+          web_contents, std::move(client)));
 }
 
 // static
 ContentSubresourceFilterDriverFactory*
 ContentSubresourceFilterDriverFactory::FromWebContents(
     content::WebContents* web_contents) {
   return static_cast<ContentSubresourceFilterDriverFactory*>(
       web_contents->GetUserData(kWebContentsUserDataKey));
 }
 
@@ skipping 253 matching lines @@
       REPORT_REDIRECT_PATTERN_FOR_SUFFIX("SubresourceFilterOnly", hits_pattern,
                                          chain_size);
       break;
     default:
       NOTREACHED();
       break;
   }
 }
 
 }  // namespace subresource_filter