Web Animations CSS: Snapshot missing start/end Keyframes and remove duplicates

Source/core/animation/css/CSSAnimations.cpp

Index: Source/core/animation/css/CSSAnimations.cpp
diff --git a/Source/core/animation/css/CSSAnimations.cpp b/Source/core/animation/css/CSSAnimations.cpp
index 281fea9593df8aa436fe62b624b4f0408382af41..e67ad68dc93c192c9bfbd8bc6c67e0bc011af995 100644
--- a/Source/core/animation/css/CSSAnimations.cpp
+++ b/Source/core/animation/css/CSSAnimations.cpp
@@ -182,6 +182,7 @@ void CSSAnimations::update(Element* element, const RenderStyle* style)
             if (!keyframes.isEmpty()) {
                 Timing timing;
                 timingFromAnimationData(animationData, timing);
+                // FIXME: Keyframes are already normalized, perhaps there should be a flag on KeyframeAnimationEffect to skip normalization.

[Steve Block, 2013/08/06 06:30:20]

Sounds reasonable. Filed crbug.com/268791

                 m_animations.set(animationName.impl(), element->document()->timeline()->play(
                     Animation::create(element, KeyframeAnimationEffect::create(keyframes), timing).get()).get());
             }