Mandate unique_ptr for base::IDMap in IDMapOwnPointer mode.

chrome/browser/ui/blocked_content/popup_blocker_tab_helper.cc

 // 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.
 
 #include "chrome/browser/ui/blocked_content/popup_blocker_tab_helper.h"
 
 #include "chrome/browser/content_settings/host_content_settings_map_factory.h"
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/blocked_content/blocked_window_params.h"
@@ skipping 89 matching lines @@
   AddBlockedPopup(params.CreateNavigateParams(web_contents()),
                   params.features());
 }
 
 void PopupBlockerTabHelper::AddBlockedPopup(
     const chrome::NavigateParams& params,
     const WebWindowFeatures& window_features) {
   if (blocked_popups_.size() >= kMaximumNumberOfPopups)
     return;
 
-  blocked_popups_.Add(new BlockedRequest(params, window_features));
+  blocked_popups_.Add(
+      base::MakeUnique<BlockedRequest>(params, window_features));
   TabSpecificContentSettings::FromWebContents(web_contents())->
       OnContentBlocked(CONTENT_SETTINGS_TYPE_POPUPS);
 }
 
 void PopupBlockerTabHelper::ShowBlockedPopup(int32_t id) {
   BlockedRequest* popup = blocked_popups_.Lookup(id);
   if (!popup)
     return;
   // We set user_gesture to true here, so the new popup gets correctly focused.
   popup->params.user_gesture = true;
@@ skipping 19 matching lines @@
     PopupBlockerTabHelper::GetBlockedPopupRequests() {
   PopupIdMap result;
   for (IDMap<BlockedRequest, IDMapOwnPointer>::const_iterator iter(
            &blocked_popups_);
        !iter.IsAtEnd();
        iter.Advance()) {
     result[iter.GetCurrentKey()] = iter.GetCurrentValue()->params.url;
   }
   return result;
 }