Mandate unique_ptr for base::IDMap in IDMapOwnPointer mode.

content/browser/manifest/manifest_manager_host.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 "content/browser/manifest/manifest_manager_host.h"
 
 #include <stdint.h>
 
 #include "base/memory/ptr_util.h"
 #include "content/common/manifest_manager_messages.h"
@@ skipping 48 matching lines @@
 }
 
 void ManifestManagerHost::GetManifest(RenderFrameHost* render_frame_host,
                                       const GetManifestCallback& callback) {
   GetCallbackMap* callbacks = GetCallbackMapForFrame(render_frame_host);
   if (!callbacks) {
     callbacks = new GetCallbackMap();
     pending_get_callbacks_[render_frame_host] = base::WrapUnique(callbacks);
   }
 
-  int request_id = callbacks->Add(new GetManifestCallback(callback));
+  int request_id =
+      callbacks->Add(base::MakeUnique<GetManifestCallback>(callback));
 
   render_frame_host->Send(new ManifestManagerMsg_RequestManifest(
       render_frame_host->GetRoutingID(), request_id));
 }
 
 bool ManifestManagerHost::OnMessageReceived(
     const IPC::Message& message, RenderFrameHost* render_frame_host) {
   bool handled = true;
 
   IPC_BEGIN_MESSAGE_MAP_WITH_PARAM(ManifestManagerHost, message,
@@ skipping 65 matching lines @@
       manifest.background_color > std::numeric_limits<int32_t>::max())
     manifest.background_color = Manifest::kInvalidOrMissingColor;
 
   callback->Run(manifest_url, manifest);
   callbacks->Remove(request_id);
   if (callbacks->IsEmpty())
     pending_get_callbacks_.erase(render_frame_host);
 }
 
 } // namespace content