workers: Rename WorkerThread to WorkerScript.

Source/core/workers/SharedWorkerThread.h

Index: Source/core/workers/SharedWorkerThread.h
diff --git a/Source/core/workers/SharedWorkerThread.h b/Source/core/workers/SharedWorkerThread.h
index a02a1b42b9b584ba7a158e537ee3cd92ba4e0e9f..5e22764292566940658cad4460d4f60c5f2c68e9 100644
--- a/Source/core/workers/SharedWorkerThread.h
+++ b/Source/core/workers/SharedWorkerThread.h
@@ -32,23 +32,24 @@
 
 #include "core/CoreExport.h"
 #include "core/frame/csp/ContentSecurityPolicy.h"
-#include "core/workers/WorkerThread.h"
+#include "core/workers/WorkerScript.h"
 
 namespace blink {
 
-class WorkerThreadStartupData;
+class WorkerScriptStartupData;
 
-class CORE_EXPORT SharedWorkerThread : public WorkerThread {
+// TODO(sadrul): This will be renamed to SharedWorkerScript.
+class CORE_EXPORT SharedWorkerThread : public WorkerScript {
 public:
-    static PassRefPtr<SharedWorkerThread> create(const String& name, PassRefPtr<WorkerLoaderProxy>, WorkerReportingProxy&, PassOwnPtr<WorkerThreadStartupData>);
+    static PassRefPtr<SharedWorkerThread> create(const String& name, PassRefPtr<WorkerLoaderProxy>, WorkerReportingProxy&, PassOwnPtr<WorkerScriptStartupData>);
     virtual ~SharedWorkerThread();
 
 protected:
-    PassRefPtrWillBeRawPtr<WorkerGlobalScope> createWorkerGlobalScope(PassOwnPtr<WorkerThreadStartupData>) override;
+    PassRefPtrWillBeRawPtr<WorkerGlobalScope> createWorkerGlobalScope(PassOwnPtr<WorkerScriptStartupData>) override;
     WebThreadSupportingGC& backingThread() override;
 
 private:
-    SharedWorkerThread(const String& name, PassRefPtr<WorkerLoaderProxy>, WorkerReportingProxy&, PassOwnPtr<WorkerThreadStartupData>);
+    SharedWorkerThread(const String& name, PassRefPtr<WorkerLoaderProxy>, WorkerReportingProxy&, PassOwnPtr<WorkerScriptStartupData>);
 
     String m_name;
     OwnPtr<WebThreadSupportingGC> m_thread;