Part 2 of base::IDMap refactor to eliminate IDMapOwnPointer/IDMapExternalPointer modes

chrome/browser/ui/blocked_content/popup_blocker_tab_helper.h

 // Copyright 2013 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.
 
 #ifndef CHROME_BROWSER_UI_BLOCKED_CONTENT_POPUP_BLOCKER_TAB_HELPER_H_
 #define CHROME_BROWSER_UI_BLOCKED_CONTENT_POPUP_BLOCKER_TAB_HELPER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 51 matching lines @@
   friend class content::WebContentsUserData<PopupBlockerTabHelper>;
 
   explicit PopupBlockerTabHelper(content::WebContents* web_contents);
 
   void AddBlockedPopup(const chrome::NavigateParams& params,
                        const blink::WebWindowFeatures& window_features);
 
   // Called when the blocked popup notification is shown or hidden.
   void PopupNotificationVisibilityChanged(bool visible);
 
-  IDMap<BlockedRequest, IDMapOwnPointer> blocked_popups_;
+  IDMap<std::unique_ptr<BlockedRequest>> blocked_popups_;
 
   DISALLOW_COPY_AND_ASSIGN(PopupBlockerTabHelper);
 };
 
 #endif  // CHROME_BROWSER_UI_BLOCKED_CONTENT_POPUP_BLOCKER_TAB_HELPER_H_