CC Animation: Expose TargetProperty enum to be aliased in Blink Platform.

cc/test/animation_timelines_test_common.h

Index: cc/test/animation_timelines_test_common.h
diff --git a/cc/test/animation_timelines_test_common.h b/cc/test/animation_timelines_test_common.h
index 2f1388eabb0e5c6b3a9f38520922a6d8b5b57221..d32172668f8357b1962f6511cc234671d4532ec4 100644
--- a/cc/test/animation_timelines_test_common.h
+++ b/cc/test/animation_timelines_test_common.h
@@ -29,34 +29,38 @@ class TestLayer {
   void set_transform(int transform_x, int transform_y) {
     transform_x_ = transform_x;
     transform_y_ = transform_y;
-    mutated_properties_[Animation::TRANSFORM] = true;
+    mutated_properties_[ToIndex(AnimationTargetProperty::TRANSFORM)] = true;
   }
 
   float opacity() const { return opacity_; }
   void set_opacity(float opacity) {
     opacity_ = opacity;
-    mutated_properties_[Animation::OPACITY] = true;
+    mutated_properties_[ToIndex(AnimationTargetProperty::OPACITY)] = true;
   }
 
   float brightness() const { return brightness_; }
   void set_brightness(float brightness) {
     brightness_ = brightness;
-    mutated_properties_[Animation::FILTER] = true;
+    mutated_properties_[ToIndex(AnimationTargetProperty::FILTER)] = true;
   }
 
   gfx::ScrollOffset scroll_offset() const { return scroll_offset_; }
   void set_scroll_offset(const gfx::ScrollOffset& scroll_offset) {
     scroll_offset_ = scroll_offset;
-    mutated_properties_[Animation::SCROLL_OFFSET] = true;
+    mutated_properties_[ToIndex(AnimationTargetProperty::SCROLL_OFFSET)] = true;
   }
 
-  bool is_property_mutated(Animation::TargetProperty property) const {
-    return mutated_properties_[property];
+  bool is_property_mutated(AnimationTargetProperty property) const {
+    return mutated_properties_[ToIndex(property)];
   }
 
  private:
   TestLayer();
 
+  static int ToIndex(AnimationTargetProperty property) {
+    return static_cast<int>(property);
+  }
+
   int transform_x_;
   int transform_y_;
 
@@ -64,7 +68,9 @@ class TestLayer {
   float brightness_;
   gfx::ScrollOffset scroll_offset_;
 
-  bool mutated_properties_[Animation::LAST_TARGET_PROPERTY + 1];
+  static const int kLastTargetProperty =
+      static_cast<int>(AnimationTargetProperty::LAST_TARGET_PROPERTY);
+  bool mutated_properties_[kLastTargetProperty + 1];
 };
 
 class TestHostClient : public MutatorHostClient {
@@ -117,7 +123,7 @@ class TestHostClient : public MutatorHostClient {
 
   bool IsPropertyMutated(int layer_id,
                          LayerTreeType tree_type,
-                         Animation::TargetProperty property) const;
+                         AnimationTargetProperty property) const;
 
   void ExpectFilterPropertyMutated(int layer_id,
                                    LayerTreeType tree_type,
@@ -147,13 +153,13 @@ class TestAnimationDelegate : public AnimationDelegate {
   TestAnimationDelegate();
 
   void NotifyAnimationStarted(base::TimeTicks monotonic_time,
-                              Animation::TargetProperty target_property,
+                              AnimationTargetProperty target_property,
                               int group) override;
   void NotifyAnimationFinished(base::TimeTicks monotonic_time,
-                               Animation::TargetProperty target_property,
+                               AnimationTargetProperty target_property,
                                int group) override;
   void NotifyAnimationAborted(base::TimeTicks monotonic_time,
-                              Animation::TargetProperty target_property,
+                              AnimationTargetProperty target_property,
                               int group) override {}
   bool started_;
   bool finished_;