Expose Web Animations API to Web Workers

Source/core/workers/WorkerThread.h

Index: Source/core/workers/WorkerThread.h
diff --git a/Source/core/workers/WorkerThread.h b/Source/core/workers/WorkerThread.h
index 561a9b5076b34a7caf63cd4ce64af2f9ceba99dc..be8e98c6da3c09f6f0f034c672f93c6a7cf9ca4c 100644
--- a/Source/core/workers/WorkerThread.h
+++ b/Source/core/workers/WorkerThread.h
@@ -70,6 +70,7 @@ namespace blink {
 
         MessageQueueWaitResult runDebuggerTask(WorkerRunLoop::WaitMode = WorkerRunLoop::WaitForMessage);
         bool terminated() { return m_runLoop.terminated(); }
+        WorkerGlobalScope* workerGlobalScope() { return m_workerGlobalScope.get(); }
 
         // Number of active worker threads.
         static unsigned workerThreadCount();
@@ -83,7 +84,6 @@ namespace blink {
         // Executes the event loop for the worker thread. Derived classes can override to perform actions before/after entering the event loop.
         virtual void runEventLoop();
 
-        WorkerGlobalScope* workerGlobalScope() { return m_workerGlobalScope.get(); }
 
     private:
         // Static function executed as the core routine on the new thread. Passed a pointer to a WorkerThread object.