workers: Rename WorkerThread to WorkerScript.

Source/modules/compositorworker/CompositorWorkerThread.h

Index: Source/modules/compositorworker/CompositorWorkerThread.h
diff --git a/Source/modules/compositorworker/CompositorWorkerThread.h b/Source/modules/compositorworker/CompositorWorkerThread.h
index 2623fd62181680bf957a8b24583164153dcd8c1c..01679366ba72551ca23ba78c8f4e668d5b477e94 100644
--- a/Source/modules/compositorworker/CompositorWorkerThread.h
+++ b/Source/modules/compositorworker/CompositorWorkerThread.h
@@ -5,24 +5,25 @@
 #ifndef CompositorWorkerThread_h
 #define CompositorWorkerThread_h
 
-#include "core/workers/WorkerThread.h"
+#include "core/workers/WorkerScript.h"
 
 namespace blink {
 
 class WorkerObjectProxy;
 
-class CompositorWorkerThread final : public WorkerThread {
+// TODO(sadrul): This will be renamed to CompositorWorkerScript.
+class CompositorWorkerThread final : public WorkerScript {
 public:
-    static PassRefPtr<CompositorWorkerThread> create(PassRefPtr<WorkerLoaderProxy>, WorkerObjectProxy&, double timeOrigin, PassOwnPtr<WorkerThreadStartupData>);
+    static PassRefPtr<CompositorWorkerThread> create(PassRefPtr<WorkerLoaderProxy>, WorkerObjectProxy&, double timeOrigin, PassOwnPtr<WorkerScriptStartupData>);
     virtual ~CompositorWorkerThread();
 
     WorkerObjectProxy& workerObjectProxy() const { return m_workerObjectProxy; }
 
 private:
-    CompositorWorkerThread(PassRefPtr<WorkerLoaderProxy>, WorkerObjectProxy&, double timeOrigin, PassOwnPtr<WorkerThreadStartupData>);
+    CompositorWorkerThread(PassRefPtr<WorkerLoaderProxy>, WorkerObjectProxy&, double timeOrigin, PassOwnPtr<WorkerScriptStartupData>);
 
-    // WorkerThread:
-    PassRefPtrWillBeRawPtr<WorkerGlobalScope> createWorkerGlobalScope(PassOwnPtr<WorkerThreadStartupData>) override;
+    // WorkerScript:
+    PassRefPtrWillBeRawPtr<WorkerGlobalScope> createWorkerGlobalScope(PassOwnPtr<WorkerScriptStartupData>) override;
     WebThreadSupportingGC& backingThread() override;
 
     WorkerObjectProxy& m_workerObjectProxy;