Rename StyleNonInheritedVariables::Copy to Clone.

third_party/WebKit/Source/core/style/StyleNonInheritedVariables.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef StyleNonInheritedVariables_h
 #define StyleNonInheritedVariables_h
 
 #include "core/css/CSSValue.h"
 #include "core/css/CSSVariableData.h"
 #include "platform/wtf/Forward.h"
 #include "platform/wtf/HashMap.h"
 #include "platform/wtf/text/AtomicStringHash.h"
 
 namespace blink {
 
 class StyleNonInheritedVariables {
  public:
   static std::unique_ptr<StyleNonInheritedVariables> Create() {
     return WTF::WrapUnique(new StyleNonInheritedVariables);
   }
 
-  std::unique_ptr<StyleNonInheritedVariables> Copy() {
+  std::unique_ptr<StyleNonInheritedVariables> Clone() {
     return WTF::WrapUnique(new StyleNonInheritedVariables(*this));
   }
 
   bool operator==(const StyleNonInheritedVariables& other) const;
   bool operator!=(const StyleNonInheritedVariables& other) const {
     return !(*this == other);
   }
 
   void SetVariable(const AtomicString& name,
                    PassRefPtr<CSSVariableData> value) {
@@ skipping 13 matching lines @@
 
   friend class CSSVariableResolver;
 
   HashMap<AtomicString, RefPtr<CSSVariableData>> data_;
   HashMap<AtomicString, Persistent<CSSValue>> registered_data_;
 };
 
 }  // namespace blink
 
 #endif  // StyleNonInheritedVariables_h