Oilpan: move editing objects to the heap.

Source/core/editing/ApplyBlockElementCommand.cpp

Index: Source/core/editing/ApplyBlockElementCommand.cpp
diff --git a/Source/core/editing/ApplyBlockElementCommand.cpp b/Source/core/editing/ApplyBlockElementCommand.cpp
index cf782cbd3db95e8961b4400037ba809abe60b654..074f42fd5b77e7ea4e3d060dfae7cf93b5023f89 100644
--- a/Source/core/editing/ApplyBlockElementCommand.cpp
+++ b/Source/core/editing/ApplyBlockElementCommand.cpp
@@ -111,15 +111,15 @@ void ApplyBlockElementCommand::formatSelection(const VisiblePosition& startOfSel
     // and there's nothing to move.
     Position start = startOfSelection.deepEquivalent().downstream();
     if (isAtUnsplittableElement(start)) {
-        RefPtr<Element> blockquote = createBlockElement();
+        RefPtrWillBeRawPtr<Element> blockquote = createBlockElement();
         insertNodeAt(blockquote, start);
-        RefPtr<Element> placeholder = createBreakElement(document());
+        RefPtrWillBeRawPtr<Element> placeholder = createBreakElement(document());
         appendNode(placeholder, blockquote);
         setEndingSelection(VisibleSelection(positionBeforeNode(placeholder.get()), DOWNSTREAM, endingSelection().isDirectional()));
         return;
     }
 
-    RefPtr<Element> blockquoteForNextIndent;
+    RefPtrWillBeRawPtr<Element> blockquoteForNextIndent = nullptr;
     VisiblePosition endOfCurrentParagraph = endOfParagraph(startOfSelection);
     VisiblePosition endOfLastParagraph = endOfParagraph(endOfSelection);
     VisiblePosition endAfterSelection = endOfParagraph(endOfLastParagraph.next());
@@ -280,12 +280,18 @@ VisiblePosition ApplyBlockElementCommand::endOfNextParagrahSplittingTextNodesIfN
     return VisiblePosition(Position(text.get(), position.offsetInContainerNode() - 1));
 }
 
-PassRefPtr<Element> ApplyBlockElementCommand::createBlockElement() const
+PassRefPtrWillBeRawPtr<Element> ApplyBlockElementCommand::createBlockElement() const
 {
-    RefPtr<Element> element = createHTMLElement(document(), m_tagName);
+    RefPtrWillBeRawPtr<Element> element = createHTMLElement(document(), m_tagName);
     if (m_inlineStyle.length())
         element->setAttribute(styleAttr, m_inlineStyle);
     return element.release();
 }
 
+void ApplyBlockElementCommand::trace(Visitor* visitor)
+{
+    visitor->trace(m_endOfLastParagraph);
+    CompositeEditCommand::trace(visitor);
+}
+
 }