Ensure original parser context is used when parsing resolved var() references

third_party/WebKit/Source/core/css/parser/CSSVariableParser.cpp

 // Copyright 2015 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.
 
 #include "core/css/parser/CSSVariableParser.h"
 
 #include "core/css/CSSCustomPropertyDeclaration.h"
 #include "core/css/CSSVariableReferenceValue.h"
 #include "core/css/parser/CSSParserTokenRange.h"
 
@@ skipping 136 matching lines @@
     return CSSCustomPropertyDeclaration::Create(
         variable_name,
         CSSVariableData::Create(range, is_animation_tainted,
                                 has_references || has_at_apply_rule));
   }
   return CSSCustomPropertyDeclaration::Create(variable_name, type);
 }
 
 CSSVariableReferenceValue* CSSVariableParser::ParseRegisteredPropertyValue(
     CSSParserTokenRange range,
+    const CSSParserContext& context,
     bool require_var_reference,
     bool is_animation_tainted) {
   if (range.AtEnd())
     return nullptr;
 
   bool has_references;
   bool has_at_apply_rule;
   CSSValueID type =
       ClassifyVariableRange(range, has_references, has_at_apply_rule);
 
   if (type != CSSValueInternalVariableValue)
     return nullptr;  // Invalid or a css-wide keyword
   if (require_var_reference && !has_references)
     return nullptr;
   // TODO(timloh): Should this be hasReferences || hasAtApplyRule?
   return CSSVariableReferenceValue::Create(
-      CSSVariableData::Create(range, is_animation_tainted, has_references));
+      CSSVariableData::Create(range, is_animation_tainted, has_references),
+      context);
 }
 
 }  // namespace blink