Revert 180822 "Specify clip rects when drawing Mac native widgets"

Source/platform/mac/ThemeMac.h

Index: Source/platform/mac/ThemeMac.h
===================================================================
--- Source/platform/mac/ThemeMac.h	(revision 181329)
+++ Source/platform/mac/ThemeMac.h	(working copy)
@@ -54,23 +54,6 @@
     virtual void paint(ControlPart, ControlStates, GraphicsContext*, const IntRect&, float zoomFactor, ScrollView*) const;
     virtual void inflateControlPaintRect(ControlPart, ControlStates, IntRect&, float zoomFactor) const;
 
-    // Inflate an IntRect to accout for specific padding around margins.
-    enum {
-        TopMargin = 0,
-        RightMargin = 1,
-        BottomMargin = 2,
-        LeftMargin = 3
-    };
-    static PLATFORM_EXPORT IntRect inflateRect(const IntRect&, const IntSize&, const int* margins, float zoomLevel = 1.0f);
-
-    // Inflate an IntRect to account for any bleeding that would happen due to anti-aliasing.
-    static PLATFORM_EXPORT IntRect inflateRectForAA(const IntRect&);
-
-    // Inflate an IntRect to account for its focus ring. This is only used when
-    // BUTTON_CELL_DRAW_WITH_FRAME_DRAWS_FOCUS_RING is defined (otherwise, the focus ring's
-    // bounds could be accurately computed with -[NSCell focusRingMaskBoundsForFrame:inView:]).
-    static PLATFORM_EXPORT IntRect inflateRectForFocusRing(const IntRect&);
-
     // FIXME: Once RenderThemeMac is converted over to use Theme then this can be internal to ThemeMac.
     static NSView* ensuredView(ScrollView*);
     static void setFocusRingClipRect(const FloatRect&);