Revert of Remove V8RecrusionScope, cleanup call sites.

third_party/WebKit/Source/core/dom/Microtask.cpp

+/*
+ * Copyright (C) 2013 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer
+ *    in the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name of Google Inc. nor the names of its contributors
+ *    may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "core/dom/Microtask.h"
+
+#include "bindings/core/v8/V8PerIsolateData.h"
+#include "platform/ScriptForbiddenScope.h"
+#include "platform/Task.h"
+#include "public/platform/WebTaskRunner.h"
+#include <v8.h>
+
+namespace blink {
+
+void Microtask::performCheckpoint(v8::Isolate* isolate)
+{
+    if (ScriptForbiddenScope::isScriptForbidden())
+        return;
+    v8::MicrotasksScope::PerformCheckpoint(isolate);
+}
+
+static void microtaskFunctionCallback(void* data)
+{
+    OwnPtr<WebTaskRunner::Task> task = adoptPtr(static_cast<WebTaskRunner::Task*>(data));
+    task->run();
+}
+
+void Microtask::enqueueMicrotask(PassOwnPtr<WebTaskRunner::Task> callback)
+{
+    v8::Isolate* isolate = v8::Isolate::GetCurrent();
+    isolate->EnqueueMicrotask(&microtaskFunctionCallback, callback.leakPtr());
+}
+
+void Microtask::enqueueMicrotask(PassOwnPtr<SameThreadClosure> callback)
+{
+    enqueueMicrotask(adoptPtr(new SameThreadTask(callback)));
+}
+
+} // namespace blink