Replace NinePieceImage.setMaskDefault with static method.

third_party/WebKit/Source/core/style/StyleRareNonInheritedData.cpp

 /*
  * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 64 matching lines @@
       perspective_(ComputedStyle::InitialPerspective()),
       shape_image_threshold_(ComputedStyle::InitialShapeImageThreshold()),
       order_(ComputedStyle::InitialOrder()),
       perspective_origin_(ComputedStyle::InitialPerspectiveOrigin()),
       object_position_(ComputedStyle::InitialObjectPosition()),
       line_clamp(ComputedStyle::InitialLineClamp()),
       draggable_region_mode_(kDraggableRegionNone),
       shape_outside_(ComputedStyle::InitialShapeOutside()),
       clip_path_(ComputedStyle::InitialClipPath()),
       mask_(kMaskFillLayer, true),
+      mask_box_image_(NinePieceImage::MaskDefaults()),
       page_size_(),
       shape_margin_(ComputedStyle::InitialShapeMargin()),
       text_decoration_color_(StyleColor::CurrentColor()),
       visited_link_text_decoration_color_(StyleColor::CurrentColor()),
       visited_link_background_color_(ComputedStyle::InitialBackgroundColor()),
       visited_link_outline_color_(StyleColor::CurrentColor()),
       visited_link_border_left_color_(StyleColor::CurrentColor()),
       visited_link_border_right_color_(StyleColor::CurrentColor()),
       visited_link_border_top_color_(StyleColor::CurrentColor()),
       visited_link_border_bottom_color_(StyleColor::CurrentColor()),
@@ skipping 27 matching lines @@
       object_fit_(ComputedStyle::InitialObjectFit()),
       isolation_(ComputedStyle::InitialIsolation()),
       contain_(ComputedStyle::InitialContain()),
       scroll_behavior_(ComputedStyle::InitialScrollBehavior()),
       scroll_snap_type_(ComputedStyle::InitialScrollSnapType()),
       requires_accelerated_compositing_for_external_reasons_(false),
       has_inline_transform_(false),
       resize_(ComputedStyle::InitialResize()),
       has_compositor_proxy_(false),
       has_author_background_(false),
-      has_author_border_(false) {
-  mask_box_image_.SetMaskDefaults();
-}
+      has_author_border_(false) {}
 
 StyleRareNonInheritedData::StyleRareNonInheritedData(
     const StyleRareNonInheritedData& o)
     : RefCounted<StyleRareNonInheritedData>(),
       opacity(o.opacity),
       perspective_(o.perspective_),
       shape_image_threshold_(o.shape_image_threshold_),
       order_(o.order_),
       perspective_origin_(o.perspective_origin_),
       object_position_(o.object_position_),
@@ skipping 203 matching lines @@
     const StyleRareNonInheritedData& o) const {
   return DataEquivalent(shape_outside_, o.shape_outside_);
 }
 
 bool StyleRareNonInheritedData::ClipPathDataEquivalent(
     const StyleRareNonInheritedData& o) const {
   return DataEquivalent(clip_path_, o.clip_path_);
 }
 
 }  // namespace blink