Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/html/shadow/SliderThumbElement.h

Index: Source/core/html/shadow/SliderThumbElement.h
diff --git a/Source/core/html/shadow/SliderThumbElement.h b/Source/core/html/shadow/SliderThumbElement.h
index cccd93f6dc0da9782c1661587c7fd8e797bce4d8..0aecf9b5bb968fec4a73e38223e1f6e07d2e2b33 100644
--- a/Source/core/html/shadow/SliderThumbElement.h
+++ b/Source/core/html/shadow/SliderThumbElement.h
@@ -46,7 +46,7 @@ class FloatPoint;
 
 class SliderThumbElement FINAL : public HTMLDivElement {
 public:
-    static PassRefPtr<SliderThumbElement> create(Document*);
+    static PassRefPtr<SliderThumbElement> create(Document&);
 
     void setPositionFromValue();
 
@@ -60,7 +60,7 @@ public:
     void setPositionFromPoint(const LayoutPoint&);
 
 private:
-    SliderThumbElement(Document*);
+    SliderThumbElement(Document&);
     virtual RenderObject* createRenderer(RenderStyle*);
     virtual PassRefPtr<Element> cloneElementWithoutAttributesAndChildren();
     virtual bool isDisabledFormControl() const OVERRIDE;
@@ -75,7 +75,7 @@ private:
 
 inline PassRefPtr<Element> SliderThumbElement::cloneElementWithoutAttributesAndChildren()
 {
-    return create(&document());
+    return create(document());
 }
 
 inline SliderThumbElement* toSliderThumbElement(Node* node)
@@ -99,10 +99,10 @@ private:
 
 class SliderContainerElement FINAL : public HTMLDivElement {
 public:
-    static PassRefPtr<SliderContainerElement> create(Document*);
+    static PassRefPtr<SliderContainerElement> create(Document&);
 
 private:
-    SliderContainerElement(Document*);
+    SliderContainerElement(Document&);
     virtual RenderObject* createRenderer(RenderStyle*);
     virtual const AtomicString& part() const;
 };