workers: Rename WorkerThread to WorkerScript.

Source/core/inspector/InspectorTraceEvents.h

Index: Source/core/inspector/InspectorTraceEvents.h
diff --git a/Source/core/inspector/InspectorTraceEvents.h b/Source/core/inspector/InspectorTraceEvents.h
index 6bf4a7b2f9373643c19365627d74e96ce17e6a30..b346f46ccd9008e506bf15536b8157dd9b86d69c 100644
--- a/Source/core/inspector/InspectorTraceEvents.h
+++ b/Source/core/inspector/InspectorTraceEvents.h
@@ -37,7 +37,7 @@ class ResourceResponse;
 class StyleChangeReasonForTracing;
 class StyleImage;
 class TracedValue;
-class WorkerThread;
+class WorkerScript;
 class XMLHttpRequest;
 
 class InspectorLayoutEvent {
@@ -327,7 +327,7 @@ public:
 
 class InspectorTracingSessionIdForWorkerEvent {
 public:
-    static PassRefPtr<TraceEvent::ConvertableToTraceFormat> data(const String& sessionId, const String& workerId, WorkerThread*);
+    static PassRefPtr<TraceEvent::ConvertableToTraceFormat> data(const String& sessionId, const String& workerId, WorkerScript*);
 };
 
 class InspectorTracingStartedInFrame {