Oilpan: move Range object to the oilpan heap.

Source/core/editing/SpellCheckRequester.h

Index: Source/core/editing/SpellCheckRequester.h
diff --git a/Source/core/editing/SpellCheckRequester.h b/Source/core/editing/SpellCheckRequester.h
index 642329bbd8af1db1cf6f7d852db752bc21aa37e3..903fc1ac57377fde08eabcb876043612f27ccb4b 100644
--- a/Source/core/editing/SpellCheckRequester.h
+++ b/Source/core/editing/SpellCheckRequester.h
@@ -45,11 +45,11 @@ class TextCheckerClient;
 
 class SpellCheckRequest FINAL : public TextCheckingRequest {
 public:
-    static PassRefPtr<SpellCheckRequest> create(TextCheckingTypeMask, TextCheckingProcessType, PassRefPtr<Range> checkingRange, PassRefPtr<Range> paragraphRange, int requestNumber = 0);
+    static PassRefPtr<SpellCheckRequest> create(TextCheckingTypeMask, TextCheckingProcessType, PassRefPtrWillBeRawPtr<Range> checkingRange, PassRefPtrWillBeRawPtr<Range> paragraphRange, int requestNumber = 0);
     virtual ~SpellCheckRequest();
 
-    PassRefPtr<Range> checkingRange() const { return m_checkingRange; }
-    PassRefPtr<Range> paragraphRange() const { return m_paragraphRange; }
+    PassRefPtrWillBeRawPtr<Range> checkingRange() const { return m_checkingRange; }
+    PassRefPtrWillBeRawPtr<Range> paragraphRange() const { return m_paragraphRange; }
     PassRefPtr<Element> rootEditableElement() const { return m_rootEditableElement; }
 
     void setCheckerAndSequence(SpellCheckRequester*, int sequence);
@@ -62,11 +62,11 @@ public:
     int requestNumber() const { return m_requestNumber; }
 
 private:
-    SpellCheckRequest(PassRefPtr<Range> checkingRange, PassRefPtr<Range> paragraphRange, const String&, TextCheckingTypeMask, TextCheckingProcessType, const Vector<uint32_t>& documentMarkersInRange, const Vector<unsigned>& documentMarkerOffsets, int requestNumber);
+    SpellCheckRequest(PassRefPtrWillBeRawPtr<Range> checkingRange, PassRefPtrWillBeRawPtr<Range> paragraphRange, const String&, TextCheckingTypeMask, TextCheckingProcessType, const Vector<uint32_t>& documentMarkersInRange, const Vector<unsigned>& documentMarkerOffsets, int requestNumber);
 
     SpellCheckRequester* m_requester;
-    RefPtr<Range> m_checkingRange;
-    RefPtr<Range> m_paragraphRange;
+    RefPtrWillBePersistent<Range> m_checkingRange;
+    RefPtrWillBePersistent<Range> m_paragraphRange;
     RefPtr<Element> m_rootEditableElement;
     TextCheckingRequestData m_requestData;
     int m_requestNumber;