Web Animations: Trigger and update CSS Animations backed by the Web Animations model

Source/core/animation/ActiveAnimations.h

Index: Source/core/animation/ActiveAnimations.h
diff --git a/Source/core/animation/ActiveAnimations.h b/Source/core/animation/ActiveAnimations.h
index e4c748c8d98df13815d05a1a3d262eab0653d5f4..0e9bde17e161c0e21558fb9832e7122a7ffec709 100644
--- a/Source/core/animation/ActiveAnimations.h
+++ b/Source/core/animation/ActiveAnimations.h
@@ -32,22 +32,22 @@
 #define ActiveAnimations_h
 
 #include "core/animation/AnimationStack.h"
+#include "core/animation/css/CSSAnimations.h"
 #include "wtf/HashMap.h"
 #include "wtf/RefPtr.h"
 #include "wtf/Vector.h"
 
 namespace WebCore {
 
-class AnimationStack;
-
 class ActiveAnimations {
 public:
     AnimationStack* defaultStack() { return &m_defaultStack; }
-    bool isEmpty() const { return !m_defaultStack.hasActiveAnimations(); }
+    CSSAnimations* cssAnimations() { return &m_cssAnimations; }
+    bool isEmpty() const { return m_defaultStack.isEmpty() && m_cssAnimations.isEmpty(); }
 private:
     AnimationStack m_defaultStack;
+    CSSAnimations m_cssAnimations;
     // FIXME: Add AnimationStack for CSS Transitions
-    // FIXME: Add tracking data for CSS Animations
 };
 
 } // namespace WebCore