Check if drawFocusRingMaskWithFrame:inView: exists when drawing focus ring

Source/platform/mac/WebCoreNSCellExtras.mm

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 #import "platform/mac/WebCoreNSCellExtras.h"
 
-#if !BUTTON_CELL_DRAW_WITH_FRAME_DRAWS_FOCUS_RING
+@interface NSCell (LionSDKDeclarations)
+- (void)drawFocusRingMaskWithFrame:(NSRect)cellFrame inView:(NSView *)controlView;
+@end
 
 @implementation NSCell (WebCoreFocusRingDrawing)
 
-- (void)_web_drawFocusRingWithFrame:(NSRect)cellFrame inView:(NSView *)controlView
+- (void)cr_drawFocusRingWithFrame:(NSRect)cellFrame inView:(NSView *)controlView
 {
     CGContextRef cgContext = (CGContextRef)[[NSGraphicsContext currentContext] graphicsPort];
     CGContextSaveGState(cgContext);
     NSSetFocusRingStyle(NSFocusRingOnly);
     CGContextBeginTransparencyLayerWithRect(cgContext, NSRectToCGRect(cellFrame), 0);
     [self drawFocusRingMaskWithFrame:cellFrame inView:controlView];
     CGContextEndTransparencyLayer(cgContext);
     CGContextRestoreGState(cgContext);
 }
 
 @end
-
-#endif // !BUTTON_CELL_DRAW_WITH_FRAME_DRAWS_FOCUS_RING