animation_container_observer.h    8 ui/gfx/animation/animation_container.cc #include "ui/gfx/animation/animation_container_observer.h"
animation_container_observer.h    9 ui/gfx/animation/animation_container_unittest.cc #include "ui/gfx/animation/animation_container_observer.h"
animation_container_observer.h   13 ui/views/animation/bounds_animator.h #include "ui/gfx/animation/animation_container_observer.h"