Split StyleSurroundData::padding into four individual Lengths.

third_party/WebKit/Source/platform/mac/ThemeMac.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 35 matching lines @@
   virtual LengthSize GetControlSize(ControlPart,
                                     const FontDescription&,
                                     const LengthSize&,
                                     float zoom_factor) const;
   virtual LengthSize MinimumControlSize(ControlPart,
                                         const FontDescription&,
                                         float zoom_factor) const;
 
   virtual LengthBox ControlPadding(ControlPart,
                                    const FontDescription&,
-                                   const LengthBox& zoomed_box,
+                                   const Length& zoomed_box_top,
+                                   const Length& zoomed_box_right,
+                                   const Length& zoomed_box_bottom,
+                                   const Length& zoomed_box_left,
                                    float zoom_factor) const;
   virtual LengthBox ControlBorder(ControlPart,
                                   const FontDescription&,
                                   const LengthBox& zoomed_box,
                                   float zoom_factor) const;
 
   virtual bool ControlRequiresPreWhiteSpace(ControlPart part) const {
     return part == kPushButtonPart;
   }
 
@@ skipping 47 matching lines @@
   static PLATFORM_EXPORT NSControlSize
   ControlSizeFromPixelSize(const IntSize* sizes,
                            const IntSize& min_zoomed_size,
                            float zoom_factor);
   static PLATFORM_EXPORT const IntSize* StepperSizes();
 };
 
 }  // namespace blink
 
 #endif  // ThemeMac_h