Web Animations API: Avoid style resolution when calling element.animate()

Source/core/animation/EffectInput.cpp

Index: Source/core/animation/EffectInput.cpp
diff --git a/Source/core/animation/EffectInput.cpp b/Source/core/animation/EffectInput.cpp
index 2ad754fa3a8222016f32f183e1220b6610fd6347..466052c1346a2b9adb748ab422339eb0f68af214 100644
--- a/Source/core/animation/EffectInput.cpp
+++ b/Source/core/animation/EffectInput.cpp
@@ -43,20 +43,10 @@
 
 namespace WebCore {
 
-// FIXME: Remove this once we've removed the dependency on Element.
-static bool checkDocumentAndRenderer(Element* element)
+PassRefPtrWillBeRawPtr<AnimationEffect> EffectInput::convert(Element* element, const Vector<Dictionary>& keyframeDictionaryVector, ExceptionState& exceptionState)
 {
-    if (!element || !element->inActiveDocument())
-        return false;
-    element->document().updateRenderTreeIfNeeded();
-    return element->renderer();
-}
-
-PassRefPtrWillBeRawPtr<AnimationEffect> EffectInput::convert(Element* element, const Vector<Dictionary>& keyframeDictionaryVector, ExceptionState& exceptionState, bool unsafe)
-{
-    // FIXME: This test will not be neccessary once resolution of keyframe values occurs at
-    // animation application time.
-    if (!unsafe && !checkDocumentAndRenderer(element))
+    // FIXME: Remove the dependency on element.
+    if (!element)
         return nullptr;
 
     StyleSheetContents* styleSheetContents = element->document().elementSheet().contents();