mac: Fix close button appearance in HiDPI.

third_party/molokocacao/NSBezierPath+MCAdditions.m

 //
 //  NSBezierPath+MCAdditions.m
 //
 //  Created by Sean Patrick O'Brien on 4/1/08.
 //  Copyright 2008 MolokoCacao. All rights reserved.
 //
 
 #import "NSBezierPath+MCAdditions.h"
 
 #import "third_party/GTM/AppKit/GTMNSBezierPath+CGPath.h"
@@ skipping 74 matching lines @@
         
         CFRelease(pathRef);
         CFRelease(strokedPathRef);
         
         return strokedPath;
 #else
         return nil;
 #endif  // MCBEZIER_USE_PRIVATE_FUNCTION
 }
 
-- (void)fillWithInnerShadow:(NSShadow *)shadow scale:(float)scale
+- (void)fillWithInnerShadow:(NSShadow *)shadow
 {
         [NSGraphicsContext saveGraphicsState];
         
         NSSize offset = shadow.shadowOffset;
         NSSize originalOffset = offset;
         CGFloat radius = shadow.shadowBlurRadius;
         NSRect bounds = NSInsetRect(self.bounds, -(ABS(offset.width) + radius), -(ABS(offset.height) + radius));
 
         // The context's user transform isn't automatically applied to shadow offsets.
-        offset.height += scale * bounds.size.height;
+        offset.height += bounds.size.height;
         shadow.shadowOffset = offset;
         NSAffineTransform *transform = [NSAffineTransform transform];
         if ([[NSGraphicsContext currentContext] isFlipped])
                 [transform translateXBy:0 yBy:bounds.size.height];
         else
                 [transform translateXBy:0 yBy:-bounds.size.height];
         
         NSBezierPath *drawingPath = [NSBezierPath bezierPathWithRect:bounds];
         [drawingPath setWindingRule:NSEvenOddWindingRule];
         [drawingPath appendBezierPath:self];
@@ skipping 65 matching lines @@
     
     /* Stroke the path. */
     [self stroke];
     
     /* Restore the previous graphics context. */
     [thisContext restoreGraphicsState];
     [self setLineWidth:lineWidth];
 }
 
 @end