Mandate unique_ptr for base::IDMap in IDMapOwnPointer mode.

content/child/quota_dispatcher.cc

Index: content/child/quota_dispatcher.cc
diff --git a/content/child/quota_dispatcher.cc b/content/child/quota_dispatcher.cc
index f61aa027fa3fd980cdd302d95a3483643f8010f4..99b9ecf9c56dfbaaa0c99c3754fe9931133f886b 100644
--- a/content/child/quota_dispatcher.cc
+++ b/content/child/quota_dispatcher.cc
@@ -4,6 +4,8 @@
 
 #include "content/child/quota_dispatcher.h"
 
+#include <memory>
+
 #include "base/lazy_instance.h"
 #include "base/macros.h"
 #include "base/threading/thread_local.h"
@@ -111,7 +113,8 @@ void QuotaDispatcher::QueryStorageUsageAndQuota(
     Callback* callback) {

[danakj, 2016/11/18 00:15:33]

and this

   DCHECK(callback);
   int request_id = quota_message_filter_->GenerateRequestID(CurrentWorkerId());
-  pending_quota_callbacks_.AddWithID(callback, request_id);
+  pending_quota_callbacks_.AddWithID(
+      std::unique_ptr<Callback>(callback), request_id);
   thread_safe_sender_->Send(new QuotaHostMsg_QueryStorageUsageAndQuota(
       request_id, origin_url, type));
 }
@@ -124,7 +127,8 @@ void QuotaDispatcher::RequestStorageQuota(int render_view_id,
   DCHECK(callback);
   DCHECK(CurrentWorkerId() == 0);
   int request_id = quota_message_filter_->GenerateRequestID(CurrentWorkerId());
-  pending_quota_callbacks_.AddWithID(callback, request_id);
+  pending_quota_callbacks_.AddWithID(
+      std::unique_ptr<Callback>(callback), request_id);
 
   StorageQuotaParams params;
   params.render_view_id = render_view_id;