Separate ScrollbarThemeMac into separate files

Source/core/platform/mac/ScrollbarThemeMac.h

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 10 matching lines @@
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef ScrollbarThemeMac_h
 #define ScrollbarThemeMac_h
 
 #include "core/platform/ScrollbarThemeComposite.h"
 
-typedef id ScrollbarPainter;
-
 namespace WebCore {
 
 class ScrollbarThemeMacCommon : public ScrollbarThemeComposite {
 public:
     ScrollbarThemeMacCommon();
     virtual ~ScrollbarThemeMacCommon();
 
     virtual void registerScrollbar(ScrollbarThemeClient*);
     virtual void unregisterScrollbar(ScrollbarThemeClient*);
     void preferencesChanged();
@@ skipping 13 matching lines @@
     virtual bool shouldDragDocumentInsteadOfThumb(ScrollbarThemeClient*, const PlatformMouseEvent&);
     int scrollbarPartToHIPressedState(ScrollbarPart);
 
     virtual void updateButtonPlacement() { }
 
     void paintGivenTickmarks(GraphicsContext*, ScrollbarThemeClient*, const IntRect&, const Vector<IntRect>&);
 
     RefPtr<Pattern> m_overhangPattern;
 };
 
-class ScrollbarThemeMacOverlayAPI : public ScrollbarThemeMacCommon {
-public:
-    virtual void updateEnabledState(ScrollbarThemeClient*);
-    virtual int scrollbarThickness(ScrollbarControlSize = RegularScrollbar);
-    virtual bool usesOverlayScrollbars() const;
-    virtual void updateScrollbarOverlayStyle(ScrollbarThemeClient*);
-    virtual ScrollbarButtonsPlacement buttonsPlacement() const;
-
-    virtual void registerScrollbar(ScrollbarThemeClient*);
-    virtual void unregisterScrollbar(ScrollbarThemeClient*);
-
-    void setNewPainterForScrollbar(ScrollbarThemeClient*, ScrollbarPainter);
-    ScrollbarPainter painterForScrollbar(ScrollbarThemeClient*);
-
-    virtual void paintTrackBackground(GraphicsContext*, ScrollbarThemeClient*, const IntRect&);
-    virtual void paintThumb(GraphicsContext*, ScrollbarThemeClient*, const IntRect&);
-
-protected:
-    virtual IntRect trackRect(ScrollbarThemeClient*, bool painting = false);
-    virtual IntRect backButtonRect(ScrollbarThemeClient*, ScrollbarPart, bool painting = false);
-    virtual IntRect forwardButtonRect(ScrollbarThemeClient*, ScrollbarPart, bool painting = false);
-
-    virtual bool hasButtons(ScrollbarThemeClient*) { return false; }
-    virtual bool hasThumb(ScrollbarThemeClient*);
-
-    virtual int minimumThumbLength(ScrollbarThemeClient*);
-};
-
-class ScrollbarThemeMacNonOverlayAPI : public ScrollbarThemeMacCommon {
-public:
-    virtual int scrollbarThickness(ScrollbarControlSize = RegularScrollbar);
-    virtual bool usesOverlayScrollbars() const { return false; }
-    virtual ScrollbarButtonsPlacement buttonsPlacement() const;
-
-    virtual bool paint(ScrollbarThemeClient*, GraphicsContext*, const IntRect& damageRect);
-
-protected:
-    virtual IntRect trackRect(ScrollbarThemeClient*, bool painting = false);
-    virtual IntRect backButtonRect(ScrollbarThemeClient*, ScrollbarPart, bool painting = false);
-    virtual IntRect forwardButtonRect(ScrollbarThemeClient*, ScrollbarPart, bool painting = false);
-
-    virtual void updateButtonPlacement();
-
-    virtual bool hasButtons(ScrollbarThemeClient*);
-    virtual bool hasThumb(ScrollbarThemeClient*);
-
-    virtual int minimumThumbLength(ScrollbarThemeClient*);
-};
-
 }
 
 #endif