Add a basic version of Worklet#import.

third_party/WebKit/Source/modules/worklet/WorkletGlobalScope.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef WorkletGlobalScope_h
 #define WorkletGlobalScope_h
 
 #include "bindings/core/v8/ScriptCallStack.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/dom/ExecutionContext.h"
@@ skipping 10 matching lines @@
 
 class WorkletGlobalScope : public RefCountedWillBeGarbageCollectedFinalized<WorkletGlobalScope>, public SecurityContext, public WorkerOrWorkletGlobalScope, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(WorkletGlobalScope);
 public:
 #if !ENABLE(OILPAN)
     using RefCounted<WorkletGlobalScope>::ref;
     using RefCounted<WorkletGlobalScope>::deref;
 #endif
 
-    // The url and userAgent arguments are inherited from the parent
-    // ExecutionContext for Worklets.
-    static PassRefPtrWillBeRawPtr<WorkletGlobalScope> create(const KURL&, const String& userAgent, v8::Isolate*);
+    // The url, userAgent and securityOrigin arguments are inherited from the
+    // parent ExecutionContext for Worklets.
+    static PassRefPtrWillBeRawPtr<WorkletGlobalScope> create(const KURL&, const String& userAgent, PassRefPtr<SecurityOrigin>, v8::Isolate*);
     ~WorkletGlobalScope() override;
 
     bool isWorkletGlobalScope() const final { return true; }
 
 
     // WorkerOrWorkletGlobalScope
     ScriptWrappable* scriptWrappable() const final { return const_cast<WorkletGlobalScope*>(this); }
     WorkerOrWorkletScriptController* script() final { return m_script.get(); }
 
     // ScriptWrappable
@@ skipping 23 matching lines @@
     void logExceptionToConsole(const String& errorMessage, int scriptId, const String& sourceURL, int lineNumber, int columnNumber, PassRefPtr<ScriptCallStack>) final { }
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
 #if !ENABLE(OILPAN)
     void refExecutionContext() final { ref(); }
     void derefExecutionContext() final { deref(); }
 #endif
 
-    WorkletGlobalScope(const KURL&, const String& userAgent, v8::Isolate*);
+    WorkletGlobalScope(const KURL&, const String& userAgent, PassRefPtr<SecurityOrigin>, v8::Isolate*);
 
     const KURL& virtualURL() const final { return m_url; }
     KURL virtualCompleteURL(const String&) const final;
 
     EventTarget* errorEventTarget() final { return nullptr; }
     void didUpdateSecurityOrigin() final { }
 
     KURL m_url;
     String m_userAgent;
     OwnPtrWillBeMember<WorkerOrWorkletScriptController> m_script;
 };
 
 DEFINE_TYPE_CASTS(WorkletGlobalScope, ExecutionContext, context, context->isWorkletGlobalScope(), context.isWorkletGlobalScope());
 
 } // namespace blink
 
 #endif // WorkletGlobalScope_h