Devtools Animations: Update transition timing on timeline interaction

Source/core/animation/KeyframeEffectModel.cpp

Index: Source/core/animation/KeyframeEffectModel.cpp
diff --git a/Source/core/animation/KeyframeEffectModel.cpp b/Source/core/animation/KeyframeEffectModel.cpp
index f0a673b17202e45f1f5eb8041c1aff1a159fa734..aba59504ef8b1c0ddb36959d85cb0e1976fc498b 100644
--- a/Source/core/animation/KeyframeEffectModel.cpp
+++ b/Source/core/animation/KeyframeEffectModel.cpp
@@ -55,6 +55,14 @@ PropertySet KeyframeEffectModelBase::properties() const
     return result;
 }
 
+void KeyframeEffectModelBase::setFrames(KeyframeVector& keyframes)
+{
+    // TODO(samli): Should also notify/invalidate the player
+    m_keyframes = keyframes;
+    m_keyframeGroups = nullptr;
+    m_interpolationEffect = nullptr;
+}
+
 void KeyframeEffectModelBase::sample(int iteration, double fraction, double iterationDuration, OwnPtrWillBeRawPtr<WillBeHeapVector<RefPtrWillBeMember<Interpolation>>>& result) const
 {
     ASSERT(iteration >= 0);