Initial implementation of bindings and basic classes for worklets.

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

+// Copyright 2015 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.
+
+#include "config.h"
+#include "modules/worklet/WorkletGlobalScope.h"
+
+#include "bindings/modules/v8/WorkletScriptController.h"
+
+namespace blink {
+
+// static
+PassRefPtrWillBeRawPtr<WorkletGlobalScope> WorkletGlobalScope::create(const KURL& url, const String& userAgent, v8::Isolate* isolate)
+{
+    return adoptRefWillBeNoop(new WorkletGlobalScope(url, userAgent, isolate));
+}
+
+WorkletGlobalScope::WorkletGlobalScope(const KURL& url, const String& userAgent, v8::Isolate* isolate)
+    : AbstractGlobalScope(url, userAgent)
+    , m_isolate(isolate)
+    , m_script(WorkletScriptController::create(this, m_isolate))
+{
+}
+
+WorkletGlobalScope::~WorkletGlobalScope()
+{
+}
+
+GlobalScopeScriptController* WorkletGlobalScope::script()
+{
+    m_script->initializeContextIfNeeded();
+    return m_script.get();
+}
+
+v8::Local<v8::Object> WorkletGlobalScope::wrap(v8::Isolate*, v8::Local<v8::Object> creationContext)
+{
+    // WorkletGlobalScope must never be wrapped with wrap method. The global
+    // object of ECMAScript environment is used as the wrapper.
+    RELEASE_ASSERT_NOT_REACHED();
+    return v8::Local<v8::Object>();
+}
+
+v8::Local<v8::Object> WorkletGlobalScope::associateWithWrapper(v8::Isolate*, const WrapperTypeInfo*, v8::Local<v8::Object> wrapper)
+{
+    RELEASE_ASSERT_NOT_REACHED(); // same as wrap method
+    return v8::Local<v8::Object>();
+}
+
+DEFINE_TRACE(WorkletGlobalScope)
+{
+    AbstractGlobalScope::trace(visitor);
+}
+
+} // namespace blink