1 files changed, 8 insertions, 15 deletions

diff --git a/WebCore/rendering/RenderSlider.cpp b/WebCore/rendering/RenderSlider.cpp
index aed8a8c..60b2369 100644
--- a/WebCore/rendering/RenderSlider.cpp
+++ b/WebCore/rendering/RenderSlider.cpp
@@ -28,14 +28,14 @@
 #include "EventNames.h"
 #include "Frame.h"
 #include "HTMLInputElement.h"
-#include "HTMLDivElement.h"
 #include "HTMLNames.h"
-#include "HTMLParser.h"
+#include "LegacyHTMLTreeConstructor.h"
 #include "MediaControlElements.h"
 #include "MouseEvent.h"
 #include "RenderLayer.h"
 #include "RenderTheme.h"
 #include "RenderView.h"
+#include "ShadowElement.h"
 #include "StepRange.h"
 #include <wtf/MathExtras.h>
 
@@ -47,8 +47,6 @@ using std::min;
 
 namespace WebCore {
 
-using namespace HTMLNames;
-
 static const int defaultTrackLength = 129;
 
 // Returns a value between 0 and 1.
@@ -59,7 +57,7 @@ static double sliderPosition(HTMLInputElement* element)
 }
 
 // FIXME: Could share code with the SliderDivElement class in RenderProgress.
-class SliderThumbElement : public HTMLDivElement {
+class SliderThumbElement : public ShadowBlockElement {
 public:
     static PassRefPtr<SliderThumbElement> create(Node* shadowParent);
 
@@ -71,17 +69,12 @@ public:
 private:        
     SliderThumbElement(Node* shadowParent);
     
-    virtual bool isShadowNode() const { return true; }
-    virtual Node* shadowParentNode() { return m_shadowParent; }
-
     FloatPoint m_offsetToThumb;
-    Node* m_shadowParent;
     bool m_inDragMode;
 };
 
 inline SliderThumbElement::SliderThumbElement(Node* shadowParent)
-    : HTMLDivElement(divTag, shadowParent->document())
-    , m_shadowParent(shadowParent)
+    : ShadowBlockElement(shadowParent)
     , m_inDragMode(false)
 {
 }
@@ -94,7 +87,7 @@ inline PassRefPtr<SliderThumbElement> SliderThumbElement::create(Node* shadowPar
 void SliderThumbElement::defaultEventHandler(Event* event)
 {
     if (!event->isMouseEvent()) {
-        HTMLDivElement::defaultEventHandler(event);
+        ShadowBlockElement::defaultEventHandler(event);
         return;
     }
 
@@ -118,7 +111,7 @@ void SliderThumbElement::defaultEventHandler(Event* event)
                 }
 
                 m_inDragMode = true;
-                document()->frame()->eventHandler()->setCapturingMouseEventsNode(m_shadowParent);
+                document()->frame()->eventHandler()->setCapturingMouseEventsNode(shadowParentNode());
                 event->setDefaultHandled();
                 return;
             }
@@ -144,7 +137,7 @@ void SliderThumbElement::defaultEventHandler(Event* event)
         }
     }
 
-    HTMLDivElement::defaultEventHandler(event);
+    ShadowBlockElement::defaultEventHandler(event);
 }
 
 void SliderThumbElement::detach()
@@ -153,7 +146,7 @@ void SliderThumbElement::detach()
         if (Frame* frame = document()->frame())
             frame->eventHandler()->setCapturingMouseEventsNode(0);      
     }
-    HTMLDivElement::detach();
+    ShadowBlockElement::detach();
 }
 
 RenderSlider::RenderSlider(HTMLInputElement* element)