Update SupportsUserData uses with unique_ptr.

components/sessions/content/content_live_tab.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 "components/sessions/content/content_live_tab.h"
 
 #include "base/memory/ptr_util.h"
 #include "components/sessions/content/content_platform_specific_tab_data.h"
 
 namespace {
 const char kContentLiveTabWebContentsUserDataKey[] = "content_live_tab";
 }
 
 namespace sessions {
 
 // static
 ContentLiveTab* ContentLiveTab::GetForWebContents(
     content::WebContents* contents) {
   if (!contents->GetUserData(kContentLiveTabWebContentsUserDataKey)) {
     contents->SetUserData(kContentLiveTabWebContentsUserDataKey,
-                          new ContentLiveTab(contents));
+                          base::WrapUnique(new ContentLiveTab(contents)));
   }
 
   return static_cast<ContentLiveTab*>(contents->GetUserData(
       kContentLiveTabWebContentsUserDataKey));
 }
 
 ContentLiveTab::ContentLiveTab(content::WebContents* contents)
     : web_contents_(contents) {}
 
 ContentLiveTab::~ContentLiveTab() {}
@@ skipping 28 matching lines @@
 ContentLiveTab::GetPlatformSpecificTabData() {
   return base::MakeUnique<sessions::ContentPlatformSpecificTabData>(
       web_contents());
 }
 
 const std::string& ContentLiveTab::GetUserAgentOverride() const {
   return web_contents()->GetUserAgentOverride();
 }
 
 }  // namespace sessions