Implement animation tainted custom property values

third_party/WebKit/Source/core/css/PropertyRegistration.cpp

 // 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.
 
 #include "core/css/PropertyRegistration.h"
 
 #include "core/css/CSSSyntaxDescriptor.h"
 #include "core/css/CSSValueList.h"
 #include "core/css/CSSVariableReferenceValue.h"
 #include "core/css/PropertyDescriptor.h"
@@ skipping 72 matching lines @@
   CSSSyntaxDescriptor syntaxDescriptor(descriptor.syntax());
   if (!syntaxDescriptor.isValid()) {
     exceptionState.throwDOMException(
         SyntaxError,
         "The syntax provided is not a valid custom property syntax.");
     return;
   }
 
   if (descriptor.hasInitialValue()) {
     CSSTokenizer::Scope scope(descriptor.initialValue());
-    const CSSValue* initial = syntaxDescriptor.parse(scope.tokenRange());
+    bool isAnimationTainted = false;
+    const CSSValue* initial =
+        syntaxDescriptor.parse(scope.tokenRange(), isAnimationTainted);
     if (!initial) {
       exceptionState.throwDOMException(
           SyntaxError,
           "The initial value provided does not parse for the given syntax.");
       return;
     }
     if (!computationallyIndependent(*initial)) {
       exceptionState.throwDOMException(
           SyntaxError,
           "The initial value provided is not computationally independent.");
       return;
     }
     RefPtr<CSSVariableData> initialVariableData =
-        CSSVariableData::create(scope.tokenRange(), false);
+        CSSVariableData::create(scope.tokenRange(), isAnimationTainted, false);
     registry.registerProperty(atomicName, syntaxDescriptor,
                               descriptor.inherits(), initial,
                               initialVariableData.release());
   } else {
     if (!syntaxDescriptor.isTokenStream()) {
       exceptionState.throwDOMException(
           SyntaxError,
           "An initial value must be provided if the syntax is not '*'");
       return;
     }
@@ skipping 22 matching lines @@
     return;
   }
   registry.unregisterProperty(atomicProperty);
 
   document->setNeedsStyleRecalc(SubtreeStyleChange,
                                 StyleChangeReasonForTracing::create(
                                     StyleChangeReason::PropertyUnregistration));
 }
 
 }  // namespace blink