workers: Rename WorkerThread to WorkerScript.

Source/core/loader/WorkerThreadableLoader.cpp

Index: Source/core/loader/WorkerThreadableLoader.cpp
diff --git a/Source/core/loader/WorkerThreadableLoader.cpp b/Source/core/loader/WorkerThreadableLoader.cpp
index 0a0adf40966c9665a8bfd7f3c087e2faec6f1f2c..aad4f0cc99303d40bdf09c3acea1c8ae3f7357f7 100644
--- a/Source/core/loader/WorkerThreadableLoader.cpp
+++ b/Source/core/loader/WorkerThreadableLoader.cpp
@@ -38,7 +38,7 @@
 #include "core/loader/WorkerLoaderClientBridgeSyncHelper.h"
 #include "core/workers/WorkerGlobalScope.h"
 #include "core/workers/WorkerLoaderProxy.h"
-#include "core/workers/WorkerThread.h"
+#include "core/workers/WorkerScript.h"
 #include "platform/heap/SafePoint.h"
 #include "platform/network/ResourceError.h"
 #include "platform/network/ResourceRequest.h"
@@ -55,7 +55,7 @@ namespace blink {
 WorkerThreadableLoader::WorkerThreadableLoader(WorkerGlobalScope& workerGlobalScope, PassRefPtr<ThreadableLoaderClientWrapper> clientWrapper, PassOwnPtr<ThreadableLoaderClient> clientBridge, const ResourceRequest& request, const ThreadableLoaderOptions& options, const ResourceLoaderOptions& resourceLoaderOptions)
     : m_workerGlobalScope(&workerGlobalScope)
     , m_workerClientWrapper(clientWrapper)
-    , m_bridge(*(new MainThreadBridge(m_workerClientWrapper, clientBridge, workerGlobalScope.thread()->workerLoaderProxy(), request, options, resourceLoaderOptions, workerGlobalScope.referrerPolicy(), workerGlobalScope.url().strippedForUseAsReferrer())))
+    , m_bridge(*(new MainThreadBridge(m_workerClientWrapper, clientBridge, workerGlobalScope.script()->workerLoaderProxy(), request, options, resourceLoaderOptions, workerGlobalScope.referrerPolicy(), workerGlobalScope.url().strippedForUseAsReferrer())))
 {
 }
 
@@ -67,7 +67,7 @@ WorkerThreadableLoader::~WorkerThreadableLoader()
 void WorkerThreadableLoader::loadResourceSynchronously(WorkerGlobalScope& workerGlobalScope, const ResourceRequest& request, ThreadableLoaderClient& client, const ThreadableLoaderOptions& options, const ResourceLoaderOptions& resourceLoaderOptions)
 {
     WebWaitableEvent* shutdownEvent =
-        workerGlobalScope.thread()->shutdownEvent();
+        workerGlobalScope.script()->shutdownEvent();
     OwnPtr<WebWaitableEvent> loaderDone =
         adoptPtr(Platform::current()->createWaitableEvent());