Offer Resource Timing in workers

Source/core/loader/DocumentThreadableLoader.cpp

Index: Source/core/loader/DocumentThreadableLoader.cpp
diff --git a/Source/core/loader/DocumentThreadableLoader.cpp b/Source/core/loader/DocumentThreadableLoader.cpp
index b2e1f69c64856e177f1997140e19962a1dbe2677..c433d5d95536a6903dfb4e7069c062d14c4e0b8a 100644
--- a/Source/core/loader/DocumentThreadableLoader.cpp
+++ b/Source/core/loader/DocumentThreadableLoader.cpp
@@ -369,6 +369,15 @@ void DocumentThreadableLoader::dataDownloaded(Resource* resource, int dataLength
     m_client->didDownloadData(dataLength);
 }
 
+void DocumentThreadableLoader::reportResourceTiming(Resource* resource, const ResourceTimingInfo& info)
+{
+    ASSERT(m_client);
+    ASSERT_UNUSED(resource, resource == this->resource());
+    ASSERT(m_async);
+
+    m_client->reportResourceTiming(info);
+}
+
 void DocumentThreadableLoader::responseReceived(Resource* resource, const ResourceResponse& response, PassOwnPtr<WebDataConsumerHandle> handle)
 {
     ASSERT_UNUSED(resource, resource == this->resource());