CC Animations: Establish AnimationHost, AnimationTimeline and AnimationPlayer

cc/test/animation_test_common.h

Index: cc/test/animation_test_common.h
diff --git a/cc/test/animation_test_common.h b/cc/test/animation_test_common.h
index b2909b8711fcf82da8238fc12bafed87bd00874f..9d334d8d02fd79a382429fae34ad838c60930464 100644
--- a/cc/test/animation_test_common.h
+++ b/cc/test/animation_test_common.h
@@ -14,6 +14,7 @@
 #include "cc/test/geometry_test_utils.h"
 
 namespace cc {
+class AnimationPlayer;
 class LayerImpl;
 class Layer;
 }
@@ -177,6 +178,22 @@ int AddAnimatedFilterToLayer(LayerImpl* layer,
                              float start_brightness,
                              float end_brightness);
 
+int AddAnimatedTransformToPlayer(AnimationPlayer* player,
+                                 double duration,
+                                 int delta_x,
+                                 int delta_y);
+
+int AddOpacityTransitionToPlayer(AnimationPlayer* player,
+                                 double duration,
+                                 float start_opacity,
+                                 float end_opacity,
+                                 bool use_timing_function);
+
+int AddAnimatedFilterToPlayer(AnimationPlayer* player,
+                              double duration,
+                              float start_brightness,
+                              float end_brightness);
+
 }  // namespace cc
 
 #endif  // CC_TEST_ANIMATION_TEST_COMMON_H_