workers: Rename WorkerThread to WorkerScript.

Source/core/loader/ThreadableLoader.cpp

Index: Source/core/loader/ThreadableLoader.cpp
diff --git a/Source/core/loader/ThreadableLoader.cpp b/Source/core/loader/ThreadableLoader.cpp
index 138c39dd6e6f19074d01e4d855f409772eff01eb..ff498d888b34891dcbacbff6a8107f8a323735a0 100644
--- a/Source/core/loader/ThreadableLoader.cpp
+++ b/Source/core/loader/ThreadableLoader.cpp
@@ -38,7 +38,7 @@
 #include "core/loader/WorkerLoaderClientBridge.h"
 #include "core/loader/WorkerThreadableLoader.h"
 #include "core/workers/WorkerGlobalScope.h"
-#include "core/workers/WorkerThread.h"
+#include "core/workers/WorkerScript.h"
 
 namespace blink {
 
@@ -49,7 +49,7 @@ PassRefPtr<ThreadableLoader> ThreadableLoader::create(ExecutionContext& context,
     if (context.isWorkerGlobalScope()) {
         WorkerGlobalScope& workerGlobalScope = toWorkerGlobalScope(context);
         RefPtr<ThreadableLoaderClientWrapper> clientWrapper(ThreadableLoaderClientWrapper::create(client));
-        OwnPtr<ThreadableLoaderClient> clientBridge(WorkerLoaderClientBridge::create(clientWrapper, workerGlobalScope.thread()->workerLoaderProxy()));
+        OwnPtr<ThreadableLoaderClient> clientBridge(WorkerLoaderClientBridge::create(clientWrapper, workerGlobalScope.script()->workerLoaderProxy()));
         return WorkerThreadableLoader::create(workerGlobalScope, clientWrapper, clientBridge.release(), request, options, resourceLoaderOptions);
     }