Make ResourceTimingInfo non-refcounted

Source/core/fetch/ResourceFetcher.h

Index: Source/core/fetch/ResourceFetcher.h
diff --git a/Source/core/fetch/ResourceFetcher.h b/Source/core/fetch/ResourceFetcher.h
index 427069d1c29c57411abbf21478a4fd75a2541475..ce99216eacd15f2e1e35df2e554df56816f574a5 100644
--- a/Source/core/fetch/ResourceFetcher.h
+++ b/Source/core/fetch/ResourceFetcher.h
@@ -184,10 +184,10 @@ private:
     Timer<ResourceFetcher> m_garbageCollectDocumentResourcesTimer;
     Timer<ResourceFetcher> m_resourceTimingReportTimer;
 
-    typedef HashMap<Resource*, RefPtr<ResourceTimingInfo>> ResourceTimingInfoMap;
+    typedef HashMap<Resource*, OwnPtr<ResourceTimingInfo>> ResourceTimingInfoMap;
     ResourceTimingInfoMap m_resourceTimingInfoMap;
 
-    HashMap<RefPtr<ResourceTimingInfo>, bool> m_scheduledResourceTimingReports;
+    Vector<OwnPtr<ResourceTimingInfo>> m_scheduledResourceTimingReports;
 
     OwnPtrWillBeMember<ResourceLoaderSet> m_loaders;
     OwnPtrWillBeMember<ResourceLoaderSet> m_nonBlockingLoaders;