Move Frame to the Oilpan heap.

Source/web/WebFrame.cpp

Index: Source/web/WebFrame.cpp
diff --git a/Source/web/WebFrame.cpp b/Source/web/WebFrame.cpp
index b6832d30b735811ea7c4940a581f6364b0182073..b76906969f53d5a6ccbae4697a5c97a329bc0c66 100644
--- a/Source/web/WebFrame.cpp
+++ b/Source/web/WebFrame.cpp
@@ -220,4 +220,20 @@ WebFrame::~WebFrame()
     m_openedFrameTracker.reset(0);
 }
 
+void WebFrame::trace(Visitor* visitor, WebFrame* frame)
+{
+#if ENABLE(OILPAN)
+    // Trace the children frames.
+    WebFrame* child = frame ? frame->firstChild() : 0;
+    while (child) {
+        if (child->isWebLocalFrame())
+            visitor->trace(toWebLocalFrameImpl(child));
+        else
+            visitor->trace(toWebRemoteFrameImpl(child));
+
+        child = child->nextSibling();
+    }
+#endif
+}
+
 } // namespace blink