Revert of Remove V8RecrusionScope, cleanup call sites.

third_party/WebKit/Source/web/WebScopedMicrotaskSuppression.cpp

Index: third_party/WebKit/Source/web/WebScopedMicrotaskSuppression.cpp
diff --git a/third_party/WebKit/Source/web/WebScopedMicrotaskSuppression.cpp b/third_party/WebKit/Source/web/WebScopedMicrotaskSuppression.cpp
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+++ b/third_party/WebKit/Source/web/WebScopedMicrotaskSuppression.cpp
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+/*
+ * Copyright (C) 2009 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:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * 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 "public/web/WebScopedMicrotaskSuppression.h"
+
+#include "bindings/core/v8/V8RecursionScope.h"
+#include "wtf/Assertions.h"
+#include "wtf/OwnPtr.h"
+
+namespace blink {
+
+#if ENABLE(ASSERT)
+class WebScopedMicrotaskSuppression::Impl : public V8RecursionScope::MicrotaskSuppression {
+public:
+    Impl(v8::Isolate* isolate)
+        : V8RecursionScope::MicrotaskSuppression(isolate)
+    {
+    }
+};
+#endif
+
+void WebScopedMicrotaskSuppression::initialize()
+{
+#if ENABLE(ASSERT)
+    m_impl.reset(new Impl(v8::Isolate::GetCurrent()));
+#endif
+}
+
+void WebScopedMicrotaskSuppression::reset()
+{
+#if ENABLE(ASSERT)
+    m_impl.reset(0);
+#endif
+}
+
+} // namespace blink