workers: Rename WorkerThread to WorkerScript.

Source/core/workers/DedicatedWorkerGlobalScope.cpp

Index: Source/core/workers/DedicatedWorkerGlobalScope.cpp
diff --git a/Source/core/workers/DedicatedWorkerGlobalScope.cpp b/Source/core/workers/DedicatedWorkerGlobalScope.cpp
index 921c96867b8bb40113f13da33576d478b918bc48..2c403160b5c45839d49c9770639469f1c8422e1a 100644
--- a/Source/core/workers/DedicatedWorkerGlobalScope.cpp
+++ b/Source/core/workers/DedicatedWorkerGlobalScope.cpp
@@ -37,11 +37,11 @@
 #include "core/workers/DedicatedWorkerThread.h"
 #include "core/workers/WorkerClients.h"
 #include "core/workers/WorkerObjectProxy.h"
-#include "core/workers/WorkerThreadStartupData.h"
+#include "core/workers/WorkerScriptStartupData.h"
 
 namespace blink {
 
-PassRefPtrWillBeRawPtr<DedicatedWorkerGlobalScope> DedicatedWorkerGlobalScope::create(DedicatedWorkerThread* thread, PassOwnPtr<WorkerThreadStartupData> startupData, double timeOrigin)
+PassRefPtrWillBeRawPtr<DedicatedWorkerGlobalScope> DedicatedWorkerGlobalScope::create(DedicatedWorkerThread* thread, PassOwnPtr<WorkerScriptStartupData> startupData, double timeOrigin)
 {
     // Note: startupData is finalized on return. After the relevant parts has been
     // passed along to the created 'context'.
@@ -81,7 +81,7 @@ void DedicatedWorkerGlobalScope::importScripts(const Vector<String>& urls, Excep
 
 DedicatedWorkerThread* DedicatedWorkerGlobalScope::thread() const
 {
-    return static_cast<DedicatedWorkerThread*>(Base::thread());
+    return static_cast<DedicatedWorkerThread*>(Base::script());
 }
 
 class UseCounterTask : public ExecutionContextTask {