Initial implementation of bindings and basic classes for worklets.

third_party/WebKit/Source/bindings/core/v8/WorkerOrWorkletScriptController.h

Index: third_party/WebKit/Source/bindings/core/v8/WorkerOrWorkletScriptController.h
diff --git a/third_party/WebKit/Source/bindings/core/v8/WorkerOrWorkletScriptController.h b/third_party/WebKit/Source/bindings/core/v8/WorkerOrWorkletScriptController.h
index 91c87937b8d7064511408947c9e59886f51dabdb..222cbe47d28841c777946322359fb9ed74257b10 100644
--- a/third_party/WebKit/Source/bindings/core/v8/WorkerOrWorkletScriptController.h
+++ b/third_party/WebKit/Source/bindings/core/v8/WorkerOrWorkletScriptController.h
@@ -46,15 +46,16 @@ namespace blink {
 
 class CachedMetadataHandler;
 class ErrorEvent;
+class ExecutionContext;
 class ExceptionState;
 class ScriptSourceCode;
-class WorkerGlobalScope;
+class ScriptWrappable;
 
 class CORE_EXPORT WorkerOrWorkletScriptController : public NoBaseWillBeGarbageCollectedFinalized<WorkerOrWorkletScriptController> {
     USING_FAST_MALLOC_WILL_BE_REMOVED(WorkerOrWorkletScriptController);
     WTF_MAKE_NONCOPYABLE(WorkerOrWorkletScriptController);
 public:
-    static PassOwnPtrWillBeRawPtr<WorkerOrWorkletScriptController> create(WorkerGlobalScope*, v8::Isolate*);
+    static PassOwnPtrWillBeRawPtr<WorkerOrWorkletScriptController> create(ExecutionContext*, ScriptWrappable*, v8::Isolate*);
     virtual ~WorkerOrWorkletScriptController();
     void dispose();
 
@@ -94,15 +95,20 @@ public:
     bool isContextInitialized() const { return m_scriptState && !!m_scriptState->perContextData(); }
 
 private:
-    WorkerOrWorkletScriptController(WorkerGlobalScope*, v8::Isolate*);
+    WorkerOrWorkletScriptController(ExecutionContext*, ScriptWrappable*, v8::Isolate*);
     class ExecutionState;
 
-    v8::Isolate* isolate() const;
-
     // Evaluate a script file in the current execution environment.
     ScriptValue evaluate(const String& script, const String& fileName, const TextPosition& scriptStartPosition, CachedMetadataHandler*, V8CacheOptions);
 
-    RawPtrWillBeMember<WorkerGlobalScope> m_workerGlobalScope;
+    RawPtrWillBeMember<ExecutionContext> m_executionContext;
+    ScriptWrappable* m_scriptWrappable;
+
+    // The v8 isolate associated to the (worker or worklet) global scope. For
+    // workers this should be the worker thread's isolate, while for worklets
+    // usually the main thread's isolate is used.
+    v8::Isolate* m_isolate;
+
     RefPtr<ScriptState> m_scriptState;
     RefPtr<DOMWrapperWorld> m_world;
     String m_disableEvalPending;