Offer Resource Timing in workers

Source/core/loader/WorkerThreadableLoader.h

Index: Source/core/loader/WorkerThreadableLoader.h
diff --git a/Source/core/loader/WorkerThreadableLoader.h b/Source/core/loader/WorkerThreadableLoader.h
index 7ea182f5342e3c5d365fce32753da1b1ad2dcaae..c4a4468dcdd14eb4c332d784a91a6624d71f0d1f 100644
--- a/Source/core/loader/WorkerThreadableLoader.h
+++ b/Source/core/loader/WorkerThreadableLoader.h
@@ -50,7 +50,7 @@ namespace blink {
     class WorkerLoaderProxy;
     struct CrossThreadResourceRequestData;
 
-    class WorkerThreadableLoader final : public ThreadableLoader {
+    class WorkerThreadableLoader final : public ThreadableLoader, private ThreadableLoaderClientWrapper::ResourceTimingClient {
         WTF_MAKE_FAST_ALLOCATED(WorkerThreadableLoader);
     public:
         static void loadResourceSynchronously(WorkerGlobalScope&, const ResourceRequest&, ThreadableLoaderClient&, const ThreadableLoaderOptions&, const ResourceLoaderOptions&);
@@ -113,6 +113,7 @@ namespace blink {
             virtual void didFail(const ResourceError&) override;
             virtual void didFailAccessControlCheck(const ResourceError&) override;
             virtual void didFailRedirectCheck() override;
+            virtual void reportResourceTiming(const ResourceTimingInfo&) override;
 
             // Only to be used on the main thread.
             RefPtr<ThreadableLoader> m_mainThreadLoader;
@@ -128,6 +129,8 @@ namespace blink {
 
         WorkerThreadableLoader(WorkerGlobalScope&, PassRefPtr<ThreadableLoaderClientWrapper>, PassOwnPtr<ThreadableLoaderClient>, const ResourceRequest&, const ThreadableLoaderOptions&, const ResourceLoaderOptions&);
 
+        void reportResourceTiming(const ResourceTimingInfo&) override;
+
         RefPtrWillBePersistent<WorkerGlobalScope> m_workerGlobalScope;
         RefPtr<ThreadableLoaderClientWrapper> m_workerClientWrapper;
         MainThreadBridge& m_bridge;