Move Frame to the Oilpan heap.

Source/core/frame/FrameProtector.cpp

+// Copyright 2014 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 "core/frame/FrameProtector.h"
+
+#include "core/frame/Frame.h"
+#include "core/frame/FrameView.h"
+#include "core/frame/LocalFrame.h"
+
+namespace blink {
+
+
+FrameProtector::FrameProtector(PassRefPtrWillBeRawPtr<Frame> frame)
+    : m_frame(frame)
+#if ENABLE(OILPAN)
+    , m_isActive(m_frame && !m_frame->hasBeenDisposed())
+#endif
+{
+#if ENABLE(OILPAN)
+    if (m_isActive)
+        m_frame->incrementDisposeProtectionCount();
+#endif
+}
+
+FrameProtector::~FrameProtector()
+{
+#if ENABLE(OILPAN)
+    if (willDispose())
+        m_frame->dispose();
+#endif
+}
+
+bool FrameProtector::willDispose() const
+{
+#if ENABLE(OILPAN)
+    return m_isActive && m_frame->decrementDisposeProtectionCount() == 0 && m_frame->hasBeenDisposed();
+#else
+    return m_frame && m_frame->hasOneRef();
+#endif
+}
+
+FrameViewProtector::FrameViewProtector(PassRefPtr<FrameView> frameView)
+    : m_frameView(frameView)
+#if ENABLE(OILPAN)
+    , m_frameProtector(m_frameView ? &m_frameView->frame() : nullptr)
+#endif
+{
+}
+
+bool FrameViewProtector::willDelete() const
+{
+    return m_frameView && m_frameView->hasOneRef();
+}
+
+FrameViewProtector::~FrameViewProtector()
+{
+}
+
+} // namespace blink