Emit console warning when element.animate() keyframe value fails to parse

third_party/WebKit/Source/core/css/StylePropertySet.h

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2008, 2012 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 206 matching lines @@
   static MutableStylePropertySet* create(CSSParserMode);
   static MutableStylePropertySet* create(const CSSProperty* properties,
                                          unsigned count);
 
   unsigned propertyCount() const { return m_propertyVector.size(); }
 
   // Returns whether this style set was changed.
   bool addParsedProperties(const HeapVector<CSSProperty, 256>&);
   bool addRespectingCascade(const CSSProperty&);
 
+  struct SetResult {
+    bool didParse;
+    bool didChange;
+  };
   // These expand shorthand properties into multiple properties.
-  bool setProperty(CSSPropertyID unresolvedProperty,
-                   const String& value,
-                   bool important = false,
-                   StyleSheetContents* contextStyleSheet = 0);
-  bool setProperty(const AtomicString& customPropertyName,
-                   const String& value,
-                   bool important,
-                   StyleSheetContents* contextStyleSheet,
-                   bool isAnimationTainted);
+  SetResult setProperty(CSSPropertyID unresolvedProperty,
+                        const String& value,
+                        bool important = false,
+                        StyleSheetContents* contextStyleSheet = 0);
+  SetResult setProperty(const AtomicString& customPropertyName,
+                        const String& value,
+                        bool important,
+                        StyleSheetContents* contextStyleSheet,
+                        bool isAnimationTainted);
   void setProperty(CSSPropertyID, const CSSValue&, bool important = false);
 
   // These do not. FIXME: This is too messy, we can do better.
   bool setProperty(CSSPropertyID,
                    CSSValueID identifier,
                    bool important = false);
   bool setProperty(const CSSProperty&, CSSProperty* slot = 0);
 
   template <typename T>  // CSSPropertyID or AtomicString
   bool removeProperty(T property, String* returnText = 0);
@@ skipping 82 matching lines @@
 template <typename T>
 inline int StylePropertySet::findPropertyIndex(T property) const {
   if (m_isMutable)
     return toMutableStylePropertySet(this)->findPropertyIndex(property);
   return toImmutableStylePropertySet(this)->findPropertyIndex(property);
 }
 
 }  // namespace blink
 
 #endif  // StylePropertySet_h