Have EditCommand classes deal with Document references, not pointers

Source/core/editing/IndentOutdentCommand.cpp

Index: Source/core/editing/IndentOutdentCommand.cpp
diff --git a/Source/core/editing/IndentOutdentCommand.cpp b/Source/core/editing/IndentOutdentCommand.cpp
index da3dbb63ab3a394d7ba2e1c5b95b095aa7aa8a97..a9d85887a526808dfc8e67851f30b965f83c6e4d 100644
--- a/Source/core/editing/IndentOutdentCommand.cpp
+++ b/Source/core/editing/IndentOutdentCommand.cpp
@@ -43,7 +43,7 @@ static bool isListOrIndentBlockquote(const Node* node)
     return node && (node->hasTagName(ulTag) || node->hasTagName(olTag) || node->hasTagName(blockquoteTag));
 }
 
-IndentOutdentCommand::IndentOutdentCommand(Document* document, EIndentType typeOfAction, int marginInPixels)
+IndentOutdentCommand::IndentOutdentCommand(Document& document, EIndentType typeOfAction, int marginInPixels)
     : ApplyBlockElementCommand(document, blockquoteTag, "margin: 0 0 0 40px; border: none; padding: 0px;")
     , m_typeOfAction(typeOfAction)
     , m_marginInPixels(marginInPixels)
@@ -69,7 +69,7 @@ bool IndentOutdentCommand::tryIndentingAsListItem(const Position& start, const P
     Element* previousList = selectedListItem->previousElementSibling();
     Element* nextList = selectedListItem->nextElementSibling();
 
-    RefPtr<Element> newList = document()->createElement(listNode->tagQName(), false);
+    RefPtr<Element> newList = document().createElement(listNode->tagQName(), false);
     insertNodeBefore(newList, selectedListItem);
 
     moveParagraphWithClones(start, end, newList.get(), selectedListItem);
@@ -156,13 +156,13 @@ void IndentOutdentCommand::outdentParagraph()
             }
         }
 
-        document()->updateLayoutIgnorePendingStylesheets();
+        document().updateLayoutIgnorePendingStylesheets();
         visibleStartOfParagraph = VisiblePosition(visibleStartOfParagraph.deepEquivalent());
         visibleEndOfParagraph = VisiblePosition(visibleEndOfParagraph.deepEquivalent());
         if (visibleStartOfParagraph.isNotNull() && !isStartOfParagraph(visibleStartOfParagraph))
-            insertNodeAt(createBreakElement(document()), visibleStartOfParagraph.deepEquivalent());
+            insertNodeAt(createBreakElement(&document()), visibleStartOfParagraph.deepEquivalent());
         if (visibleEndOfParagraph.isNotNull() && !isEndOfParagraph(visibleEndOfParagraph))
-            insertNodeAt(createBreakElement(document()), visibleEndOfParagraph.deepEquivalent());
+            insertNodeAt(createBreakElement(&document()), visibleEndOfParagraph.deepEquivalent());
 
         return;
     }
@@ -175,7 +175,7 @@ void IndentOutdentCommand::outdentParagraph()
         Node* highestInlineNode = highestEnclosingNodeOfType(visibleStartOfParagraph.deepEquivalent(), isInline, CannotCrossEditingBoundary, enclosingBlockFlow);
         splitElement(toElement(enclosingNode), (highestInlineNode) ? highestInlineNode : visibleStartOfParagraph.deepEquivalent().deprecatedNode());
     }
-    RefPtr<Node> placeholder = createBreakElement(document());
+    RefPtr<Node> placeholder = createBreakElement(&document());
     insertNodeBefore(placeholder, splitBlockquoteNode);
     moveParagraph(startOfParagraph(visibleStartOfParagraph), endOfParagraph(visibleEndOfParagraph), positionBeforeNode(placeholder.get()), true);
 }