Switch SupportsUserData uses to use unique_ptr.

chrome/browser/ui/views/tab_dialogs_views.cc

 // Copyright 2014 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/ui/views/tab_dialogs_views.h"
 
 #include "base/memory/ptr_util.h"
 #include "chrome/browser/ui/passwords/manage_passwords_bubble_model.h"
 #include "chrome/browser/ui/views/collected_cookies_views.h"
 #include "chrome/browser/ui/views/hung_renderer_view.h"
 #include "chrome/browser/ui/views/passwords/manage_passwords_bubble_view.h"
 #include "chrome/browser/ui/views/validation_message_bubble_view.h"
 #include "content/public/browser/web_contents.h"
 
 #if !defined(OS_CHROMEOS)
 #include "chrome/browser/ui/views/sync/profile_signin_confirmation_dialog_views.h"
 #endif
 
 // static
 void TabDialogs::CreateForWebContents(content::WebContents* contents) {
   DCHECK(contents);
-  if (!FromWebContents(contents))
-    contents->SetUserData(UserDataKey(), new TabDialogsViews(contents));
+  if (!FromWebContents(contents)) {
+    contents->SetUserData(UserDataKey(),
+                          base::MakeUnique<TabDialogsViews>(contents));
+  }
 }
 
 TabDialogsViews::TabDialogsViews(content::WebContents* contents)
     : web_contents_(contents) {
   DCHECK(contents);
 }
 
 TabDialogsViews::~TabDialogsViews() {
 }
 
@@ skipping 48 matching lines @@
     ManagePasswordsBubbleView::CloseCurrentBubble();
 }
 
 base::WeakPtr<ValidationMessageBubble> TabDialogsViews::ShowValidationMessage(
     const gfx::Rect& anchor_in_root_view,
     const base::string16& main_text,
     const base::string16& sub_text) {
   return (new ValidationMessageBubbleView(
       web_contents_, anchor_in_root_view, main_text, sub_text))->AsWeakPtr();
 }