Rename StyleNonInheritedVariables::Copy to Clone.

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 159 matching lines @@
       outline_(o.outline_),
       text_decoration_color_(o.text_decoration_color_),
       visited_link_text_decoration_color_(
           o.visited_link_text_decoration_color_),
       visited_link_background_color_(o.visited_link_background_color_),
       visited_link_outline_color_(o.visited_link_outline_color_),
       visited_link_border_left_color_(o.visited_link_border_left_color_),
       visited_link_border_right_color_(o.visited_link_border_right_color_),
       visited_link_border_top_color_(o.visited_link_border_top_color_),
       visited_link_border_bottom_color_(o.visited_link_border_bottom_color_),
-      variables_(o.variables_ ? o.variables_->Copy() : nullptr),
+      variables_(o.variables_ ? o.variables_->Clone() : nullptr),
       align_content_(o.align_content_),
       align_items_(o.align_items_),
       align_self_(o.align_self_),
       justify_content_(o.justify_content_),
       justify_items_(o.justify_items_),
       justify_self_(o.justify_self_),
       page_size_type_(o.page_size_type_),
       transform_style3d_(o.transform_style3d_),
       backface_visibility_(o.backface_visibility_),
       user_drag(o.user_drag),
@@ skipping 157 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