compositor-worker: cc->blink mutation plumbing

third_party/WebKit/Source/core/animation/ElementAnimations.h

Index: third_party/WebKit/Source/core/animation/ElementAnimations.h
diff --git a/third_party/WebKit/Source/core/animation/ElementAnimations.h b/third_party/WebKit/Source/core/animation/ElementAnimations.h
index d74639b9882565918521c5a5abec27d9d050fa20..54fc12a4e9ec213c38af94616ee67fdb198c71cf 100644
--- a/third_party/WebKit/Source/core/animation/ElementAnimations.h
+++ b/third_party/WebKit/Source/core/animation/ElementAnimations.h
@@ -32,6 +32,7 @@
 #define ElementAnimations_h
 
 #include "core/animation/AnimationStack.h"
+#include "core/animation/CompositorMutationAnimations.h"
 #include "core/animation/css/CSSAnimations.h"
 #include "wtf/HashCountedSet.h"
 #include "wtf/HashMap.h"
@@ -54,6 +55,10 @@ public:
     // during a style recalc. CSS Transitions are included in this stack.
     AnimationStack& animationStack() { return m_animationStack; }
     const AnimationStack& animationStack() const { return m_animationStack; }
+    // Tracks long running animations that are responsible for applying mutations
+    // from compositor worker.
+    CompositorMutationAnimations& compositorMutationAnimations() { return m_compositorMutationAnimations; }
+    const CompositorMutationAnimations& compositorMutationAnimations() const { return m_compositorMutationAnimations; }
     // Tracks the state of active CSS Animations and Transitions. The individual animations
     // will also be part of the animation stack, but the mapping betwen animation name and
     // animation is kept here.
@@ -85,6 +90,7 @@ private:
     bool isAnimationStyleChange() const;
 
     AnimationStack m_animationStack;
+    CompositorMutationAnimations m_compositorMutationAnimations;
     CSSAnimations m_cssAnimations;
     AnimationCountedSet m_animations;
     bool m_animationStyleChange;