workers: Rename WorkerThread to WorkerScript.

Source/core/workers/SharedWorkerGlobalScope.cpp

Index: Source/core/workers/SharedWorkerGlobalScope.cpp
diff --git a/Source/core/workers/SharedWorkerGlobalScope.cpp b/Source/core/workers/SharedWorkerGlobalScope.cpp
index 5c63fa3c90cae0bcd39850d348b22149693b946a..03d3e02c222d50aca1514d75349891a05c9cf891 100644
--- a/Source/core/workers/SharedWorkerGlobalScope.cpp
+++ b/Source/core/workers/SharedWorkerGlobalScope.cpp
@@ -51,7 +51,7 @@ PassRefPtrWillBeRawPtr<MessageEvent> createConnectEvent(PassRefPtrWillBeRawPtr<M
 }
 
 // static
-PassRefPtrWillBeRawPtr<SharedWorkerGlobalScope> SharedWorkerGlobalScope::create(const String& name, SharedWorkerThread* thread, PassOwnPtr<WorkerThreadStartupData> startupData)
+PassRefPtrWillBeRawPtr<SharedWorkerGlobalScope> SharedWorkerGlobalScope::create(const String& name, SharedWorkerThread* thread, PassOwnPtr<WorkerScriptStartupData> startupData)
 {
     // Note: startupData is finalized on return. After the relevant parts has been
     // passed along to the created 'context'.
@@ -77,7 +77,7 @@ const AtomicString& SharedWorkerGlobalScope::interfaceName() const
 
 SharedWorkerThread* SharedWorkerGlobalScope::thread()
 {
-    return static_cast<SharedWorkerThread*>(Base::thread());
+    return static_cast<SharedWorkerThread*>(Base::script());
 }
 
 void SharedWorkerGlobalScope::logExceptionToConsole(const String& errorMessage, int scriptId, const String& sourceURL, int lineNumber, int columnNumber, PassRefPtrWillBeRawPtr<ScriptCallStack> callStack)