Oilpan: move Range object to the oilpan heap.

Source/core/frame/LocalFrame.h

Index: Source/core/frame/LocalFrame.h
diff --git a/Source/core/frame/LocalFrame.h b/Source/core/frame/LocalFrame.h
index a3be60092e6df7c5979c306b0be813473518a1ec..b60ab8188f43556d282c94d3f648aff6ced85083 100644
--- a/Source/core/frame/LocalFrame.h
+++ b/Source/core/frame/LocalFrame.h
@@ -32,7 +32,7 @@
 #include "core/loader/FrameLoader.h"
 #include "core/loader/NavigationScheduler.h"
 #include "core/page/FrameTree.h"
-#include "heap/Handle.h"
+#include "platform/heap/Handle.h"
 #include "platform/scroll/ScrollTypes.h"
 
 namespace WebCore {
@@ -131,7 +131,7 @@ namespace WebCore {
 
         VisiblePosition visiblePositionForPoint(const IntPoint& framePoint);
         Document* documentAtPoint(const IntPoint& windowPoint);
-        PassRefPtr<Range> rangeForPoint(const IntPoint& framePoint);
+        PassRefPtrWillBeRawPtr<Range> rangeForPoint(const IntPoint& framePoint);
 
         // Should only be called on the main frame of a page.
         void notifyChromeClientWheelEventHandlerCountChanged() const;