Devtools Animations: Don't wait for empty transitions to start

third_party/WebKit/Source/core/inspector/InspectorAnimationAgent.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/inspector/InspectorAnimationAgent.h"
 
 #include "core/animation/Animation.h"
 #include "core/animation/AnimationEffect.h"
@@ skipping 386 matching lines @@
     return base64Encode(reinterpret_cast<const char*>(digestResult.data()), 10);
 }
 
 void InspectorAnimationAgent::didCreateAnimation(unsigned sequenceNumber)
 {
     if (m_isCloning)
         return;
     frontend()->animationCreated(String::number(sequenceNumber));
 }
 
+void InspectorAnimationAgent::didCancelAnimation(unsigned sequenceNumber)
+{
+    frontend()->animationCancelled(String::number(sequenceNumber));
+}
+
 void InspectorAnimationAgent::didStartAnimation(Animation* animation)
 {
     const String& animationId = String::number(animation->sequenceNumber());
     if (m_idToAnimation.get(animationId))
         return;
     frontend()->animationStarted(buildObjectForAnimation(*animation));
 }
 
 void InspectorAnimationAgent::didClearDocumentOfWindowObject(LocalFrame* frame)
 {
@@ skipping 32 matching lines @@
     visitor->trace(m_cssAgent);
     visitor->trace(m_injectedScriptManager);
     visitor->trace(m_idToAnimation);
     visitor->trace(m_idToAnimationType);
     visitor->trace(m_idToAnimationClone);
 #endif
     InspectorBaseAgent::trace(visitor);
 }
 
 }