Devtools Animations: Listen to all animation play state changes

third_party/WebKit/Source/core/inspector/InspectorAnimationAgent.cpp

Index: third_party/WebKit/Source/core/inspector/InspectorAnimationAgent.cpp
diff --git a/third_party/WebKit/Source/core/inspector/InspectorAnimationAgent.cpp b/third_party/WebKit/Source/core/inspector/InspectorAnimationAgent.cpp
index d0ebccf39a5b2f558fe67d1910272fb9adc3c782..26fff39f43000ab5e9090e302b05424114ee4de2 100644
--- a/third_party/WebKit/Source/core/inspector/InspectorAnimationAgent.cpp
+++ b/third_party/WebKit/Source/core/inspector/InspectorAnimationAgent.cpp
@@ -423,17 +423,15 @@ void InspectorAnimationAgent::didCreateAnimation(unsigned sequenceNumber)
     frontend()->animationCreated(String::number(sequenceNumber));
 }
 
-void InspectorAnimationAgent::didCancelAnimation(unsigned sequenceNumber)
-{
-    frontend()->animationCanceled(String::number(sequenceNumber));
-}
-
-void InspectorAnimationAgent::didStartAnimation(Animation* animation)
+void InspectorAnimationAgent::animationPlayStateChanged(Animation* animation, Animation::AnimationPlayState oldPlayState, Animation::AnimationPlayState newPlayState)
 {
     const String& animationId = String::number(animation->sequenceNumber());
     if (m_idToAnimation.get(animationId))
         return;
-    frontend()->animationStarted(buildObjectForAnimation(*animation));
+    if (newPlayState == Animation::Running || newPlayState == Animation::Finished)
+        frontend()->animationStarted(buildObjectForAnimation(*animation));
+    else if (newPlayState == Animation::Idle || newPlayState == Animation::Paused)
+        frontend()->animationCanceled(animationId);
 }
 
 void InspectorAnimationAgent::didClearDocumentOfWindowObject(LocalFrame* frame)