Update SupportsUserData uses with unique_ptr.

chrome/browser/data_use_measurement/data_use_web_contents_observer.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 "chrome/browser/data_use_measurement/data_use_web_contents_observer.h"
 
+#include "base/memory/ptr_util.h"
 #include "chrome/browser/data_use_measurement/chrome_data_use_ascriber_service.h"
 #include "chrome/browser/data_use_measurement/chrome_data_use_ascriber_service_factory.h"
 #include "content/public/browser/navigation_handle.h"
 #include "content/public/browser/render_frame_host.h"
 
 DEFINE_WEB_CONTENTS_USER_DATA_KEY(
     data_use_measurement::DataUseWebContentsObserver);
 
 namespace data_use_measurement {
 
@@ skipping 10 matching lines @@
   // exists.
   if (!service || FromWebContents(web_contents))
     return;
 
   // |DataUseWebContentsObserver| is a |WebContentsUserData| so its lifetime
   // is scoped to |web_contents|.
   // |ChromeDataUseAscriberService| is a |KeyedService| and its lifetime is
   // tied to a profile. Since profiles outlive |WebContents|, |service| will
   // outlive |DataUseWebContentsObserver|.
   web_contents->SetUserData(
-      UserDataKey(), new DataUseWebContentsObserver(web_contents, service));
+      UserDataKey(),
+      base::WrapUnique(new DataUseWebContentsObserver(web_contents, service)));
 }
 
 DataUseWebContentsObserver::DataUseWebContentsObserver(
     content::WebContents* web_contents,
     ChromeDataUseAscriberService* service)
     : content::WebContentsObserver(web_contents), service_(service) {
   // Call RenderFrameCreated for live frames so that |service_| knows about
   // all the RenderFrameHosts.
   for (content::RenderFrameHost* frame : web_contents->GetAllFrames()) {
     if (frame->IsRenderFrameLive()) {
@@ skipping 37 matching lines @@
     content::RenderFrameHost* new_host) {
   service_->RenderFrameHostChanged(old_host, new_host);
 }
 
 void DataUseWebContentsObserver::DidFinishNavigation(
     content::NavigationHandle* navigation_handle) {
   service_->DidFinishNavigation(navigation_handle);
 }
 
 }  // namespace data_use_measurement