Have htmlediting create functions take a Document reference in argument

Source/core/editing/ApplyStyleCommand.cpp

Index: Source/core/editing/ApplyStyleCommand.cpp
diff --git a/Source/core/editing/ApplyStyleCommand.cpp b/Source/core/editing/ApplyStyleCommand.cpp
index 81e24d949bd37379653f329ae7ec3947167abc42..d825478324f62d0c3ecb5317af6bf915478c6df6 100644
--- a/Source/core/editing/ApplyStyleCommand.cpp
+++ b/Source/core/editing/ApplyStyleCommand.cpp
@@ -104,13 +104,13 @@ bool isEmptyFontTag(const Element* element, ShouldStyleAttributeBeEmpty shouldSt
     return hasNoAttributeOrOnlyStyleAttribute(toHTMLElement(element), shouldStyleAttributeBeEmpty);
 }
 
-static PassRefPtr<Element> createFontElement(Document* document)
+static PassRefPtr<Element> createFontElement(Document& document)
 {
     RefPtr<Element> fontNode = createHTMLElement(document, fontTag);
     return fontNode.release();
 }
 
-PassRefPtr<HTMLElement> createStyleSpanElement(Document* document)
+PassRefPtr<HTMLElement> createStyleSpanElement(Document& document)
 {
     RefPtr<HTMLElement> styleElement = createHTMLElement(document, spanTag);
     return styleElement.release();
@@ -379,7 +379,7 @@ void ApplyStyleCommand::applyRelativeFontStyleChange(EditingStyle* style)
         } else if (node->isTextNode() && node->renderer() && node->parentNode() != lastStyledNode) {
             // Last styled node was not parent node of this text node, but we wish to style this
             // text node. To make this possible, add a style span to surround this text node.
-            RefPtr<HTMLElement> span = createStyleSpanElement(&document());
+            RefPtr<HTMLElement> span = createStyleSpanElement(document());
             surroundNodeRangeWithElement(node, node, span.get());
             element = span.release();
         }  else {
@@ -1404,7 +1404,7 @@ Position ApplyStyleCommand::positionToComputeInlineStyleChange(PassRefPtr<Node>
     // It's okay to obtain the style at the startNode because we've removed all relevant styles from the current run.
     Position positionForStyleComparison;
     if (!startNode->isElementNode()) {
-        dummyElement = createStyleSpanElement(&document());
+        dummyElement = createStyleSpanElement(document());
         insertNodeAt(dummyElement, positionBeforeNode(startNode.get()));
         return positionBeforeNode(dummyElement.get());
     }
@@ -1444,7 +1444,7 @@ void ApplyStyleCommand::applyInlineStyleChange(PassRefPtr<Node> passedStart, Pas
             if (styleChange.applyFontSize())
                 setNodeAttribute(fontContainer, sizeAttr, styleChange.fontSize());
         } else {
-            RefPtr<Element> fontElement = createFontElement(&document());
+            RefPtr<Element> fontElement = createFontElement(document());
             if (styleChange.applyFontColor())
                 fontElement->setAttribute(colorAttr, styleChange.fontColor());
             if (styleChange.applyFontFace())
@@ -1468,28 +1468,28 @@ void ApplyStyleCommand::applyInlineStyleChange(PassRefPtr<Node> passedStart, Pas
             } else
                 setNodeAttribute(styleContainer, styleAttr, styleChange.cssStyle());
         } else {
-            RefPtr<Element> styleElement = createStyleSpanElement(&document());
+            RefPtr<Element> styleElement = createStyleSpanElement(document());
             styleElement->setAttribute(styleAttr, styleChange.cssStyle());
             surroundNodeRangeWithElement(startNode, endNode, styleElement.release());
         }
     }
 
     if (styleChange.applyBold())
-        surroundNodeRangeWithElement(startNode, endNode, createHTMLElement(&document(), bTag));
+        surroundNodeRangeWithElement(startNode, endNode, createHTMLElement(document(), bTag));
 
     if (styleChange.applyItalic())
-        surroundNodeRangeWithElement(startNode, endNode, createHTMLElement(&document(), iTag));
+        surroundNodeRangeWithElement(startNode, endNode, createHTMLElement(document(), iTag));
 
     if (styleChange.applyUnderline())
-        surroundNodeRangeWithElement(startNode, endNode, createHTMLElement(&document(), uTag));
+        surroundNodeRangeWithElement(startNode, endNode, createHTMLElement(document(), uTag));
 
     if (styleChange.applyLineThrough())
-        surroundNodeRangeWithElement(startNode, endNode, createHTMLElement(&document(), strikeTag));
+        surroundNodeRangeWithElement(startNode, endNode, createHTMLElement(document(), strikeTag));
 
     if (styleChange.applySubscript())
-        surroundNodeRangeWithElement(startNode, endNode, createHTMLElement(&document(), subTag));
+        surroundNodeRangeWithElement(startNode, endNode, createHTMLElement(document(), subTag));
     else if (styleChange.applySuperscript())
-        surroundNodeRangeWithElement(startNode, endNode, createHTMLElement(&document(), supTag));
+        surroundNodeRangeWithElement(startNode, endNode, createHTMLElement(document(), supTag));
 
     if (m_styledInlineElement && addStyledElement == AddStyledElement)
         surroundNodeRangeWithElement(startNode, endNode, m_styledInlineElement->cloneElementWithoutChildren());