Oilpan: move Range object to the oilpan heap.

Source/core/dom/Document.cpp

Index: Source/core/dom/Document.cpp
diff --git a/Source/core/dom/Document.cpp b/Source/core/dom/Document.cpp
index 9bf2eb2e39b265ec949b830f4135d6e064e215da..f4e5d61f096e88c7de6716daed2d4bdffcf916a6 100644
--- a/Source/core/dom/Document.cpp
+++ b/Source/core/dom/Document.cpp
@@ -1232,7 +1232,7 @@ Element* Document::elementFromPoint(int x, int y) const
     return TreeScope::elementFromPoint(x, y);
 }
 
-PassRefPtr<Range> Document::caretRangeFromPoint(int x, int y)
+PassRefPtrWillBeRawPtr<Range> Document::caretRangeFromPoint(int x, int y)
 {
     if (!renderView())
         return nullptr;
@@ -1479,7 +1479,7 @@ Settings* Document::settings() const
     return m_frame ? m_frame->settings() : 0;
 }
 
-PassRefPtr<Range> Document::createRange()
+PassRefPtrWillBeRawPtr<Range> Document::createRange()
 {
     return Range::create(*this);
 }