CC Animation: Move PropertyAnimationState and TargetProperty to trees.

cc/trees/property_animation_state.h

 // Copyright 2016 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.
 
-#ifndef CC_ANIMATION_PROPERTY_ANIMATION_STATE_H_
-#define CC_ANIMATION_PROPERTY_ANIMATION_STATE_H_
+#ifndef CC_TREES_PROPERTY_ANIMATION_STATE_H_
+#define CC_TREES_PROPERTY_ANIMATION_STATE_H_
 
-#include "cc/animation/target_property.h"
 #include "cc/base/cc_export.h"
+#include "cc/trees/target_property.h"
 
 namespace cc {
 
 struct CC_EXPORT PropertyAnimationState {
   PropertyAnimationState();
   PropertyAnimationState(const PropertyAnimationState& rhs);
   ~PropertyAnimationState();
 
   TargetProperties currently_running;
   TargetProperties potentially_animating;
 
   bool operator==(const PropertyAnimationState& other) const;
   bool operator!=(const PropertyAnimationState& other) const;
 
   PropertyAnimationState& operator|=(const PropertyAnimationState& other);
   PropertyAnimationState& operator^=(const PropertyAnimationState& other);
   PropertyAnimationState& operator&=(const PropertyAnimationState& other);
 
   bool IsValid() const;
 
   void Clear();
 };
 
 PropertyAnimationState operator^(const PropertyAnimationState& lhs,
                                  const PropertyAnimationState& rhs);
 
 }  // namespace cc
 
-#endif  // CC_ANIMATION_PROPERTY_ANIMATION_STATE_H_
+#endif  // CC_TREES_PROPERTY_ANIMATION_STATE_H_