Fix animations not starting on detached elements

Source/core/animation/StringKeyframe.cpp

 // Copyright 2014 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 "config.h"
 #include "core/animation/StringKeyframe.h"
 
 #include "core/animation/AngleSVGInterpolation.h"
 #include "core/animation/ColorStyleInterpolation.h"
 #include "core/animation/CompositorAnimations.h"
@@ skipping 99 matching lines @@
 
 StringKeyframe::CSSPropertySpecificKeyframe::CSSPropertySpecificKeyframe(double offset, PassRefPtr<TimingFunction> easing, CSSValue* value)
     : Keyframe::PropertySpecificKeyframe(offset, easing, EffectModel::CompositeReplace)
     , m_value(value)
 {
     ASSERT(!isNull(m_offset));
 }
 
 void StringKeyframe::CSSPropertySpecificKeyframe::populateAnimatableValue(CSSPropertyID property, Element& element, const ComputedStyle* baseStyle) const
 {
-    if (!m_animatableValueCache && (baseStyle || !m_value->isInheritedValue()))
+    if (!m_animatableValueCache && (baseStyle || !DeferredLegacyStyleInterpolation::interpolationRequiresStyleResolve(*m_value)))
         m_animatableValueCache = StyleResolver::createAnimatableValueSnapshot(element, baseStyle, property, m_value.get());
 }
 
 namespace {
 InterpolationRange setRange(CSSPropertyID id)
 {
     switch (id) {
     case CSSPropertyOrphans:
     case CSSPropertyWebkitColumnCount:
     case CSSPropertyWidows:
@@ skipping 418 matching lines @@
     RefPtrWillBeRawPtr<SVGPropertyBase> fromValue = attribute->currentValueBase()->cloneForAnimation(m_value);
     RefPtrWillBeRawPtr<SVGPropertyBase> toValue = attribute->currentValueBase()->cloneForAnimation(toSVGPropertySpecificKeyframe(end).value());
 
     if (!fromValue || !toValue)
         return nullptr;
 
     return createSVGInterpolation(fromValue.get(), toValue.get(), attribute.get());
 }
 
 } // namespace blink