[Oilpan] Prepare full definition of classes before using Member

third_party/WebKit/Source/core/frame/FrameView.cpp

Index: third_party/WebKit/Source/core/frame/FrameView.cpp
diff --git a/third_party/WebKit/Source/core/frame/FrameView.cpp b/third_party/WebKit/Source/core/frame/FrameView.cpp
index 29096603d9b63a9755fa09492108724c80373533..bd4df5443e7e19f9221d97e8278e2e06c1b1e5aa 100644
--- a/third_party/WebKit/Source/core/frame/FrameView.cpp
+++ b/third_party/WebKit/Source/core/frame/FrameView.cpp
@@ -2357,6 +2357,11 @@ void FrameView::setNodeToDraw(Node* node)
     m_nodeToDraw = node;
 }
 
+Node* FrameView::nodeToDraw() const
+{
+    return m_nodeToDraw.get();
+}
+
 void FrameView::updateWidgetPositionsIfNeeded()
 {
     if (!m_needsUpdateWidgetPositions)