Remove ScrollableArea and Scrollbar

sky/engine/public/platform/WebFallbackThemeEngine.h

 /*
  * Copyright (C) 2010 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 25 matching lines @@
 #include "sky/engine/public/platform/WebSize.h"
 
 namespace blink {
 
 struct WebRect;
 
 class WebFallbackThemeEngine {
 public:
     // The UI part which is being accessed.
     enum Part {
-        // ScrollbarTheme parts
-        PartScrollbarDownArrow,
-        PartScrollbarLeftArrow,
-        PartScrollbarRightArrow,
-        PartScrollbarUpArrow,
-        PartScrollbarHorizontalThumb,
-        PartScrollbarVerticalThumb,
-        PartScrollbarHorizontalTrack,
-        PartScrollbarVerticalTrack,
-
         // RenderTheme parts
         PartCheckbox,
         PartRadio,
         PartButton,
         PartMenuList,
         PartSliderTrack,
         PartSliderThumb,
         PartInnerSpinButton,
         PartProgressBar
     };
 
     // The current state of the associated Part.
     enum State {
         StateDisabled,
         StateHover,
         StateNormal,
         StatePressed,
     };
 
-    // Extra parameters for drawing the PartScrollbarHorizontalTrack and
-    // PartScrollbarVerticalTrack.
-    struct ScrollbarTrackExtraParams {
-        // The bounds of the entire track, as opposed to the part being painted.
-        int trackX;
-        int trackY;
-        int trackWidth;
-        int trackHeight;
-    };
-
     // Extra parameters for PartCheckbox, PartPushButton and PartRadio.
     struct ButtonExtraParams {
         bool checked;
         bool indeterminate; // Whether the button state is indeterminate.
         bool isDefault; // Whether the button is default button.
         bool hasBorder;
         WebColor backgroundColor;
     };
 
     // Extra parameters for PartMenuList
@@ skipping 20 matching lines @@
     // Extra parameters for PartProgressBar
     struct ProgressBarExtraParams {
         bool determinate;
         int valueRectX;
         int valueRectY;
         int valueRectWidth;
         int valueRectHeight;
     };
 
     union ExtraParams {
-        ScrollbarTrackExtraParams scrollbarTrack;
         ButtonExtraParams button;
         MenuListExtraParams menuList;
         SliderExtraParams slider;
         InnerSpinButtonExtraParams innerSpin;
         ProgressBarExtraParams progressBar;
     };
 
     // Gets the size of the given theme part. For variable sized items
     // like vertical scrollbar thumbs, the width will be the required width of
     // the track while the height will be the minimum height.
     virtual WebSize getSize(Part) { return WebSize(); }
     // Paint the given the given theme part.
     virtual void paint(WebCanvas*, Part, State, const WebRect&, const ExtraParams*) { }
 };
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_PUBLIC_PLATFORM_WEBFALLBACKTHEMEENGINE_H_