ui: Move compositor/ directory out of gfx/, up to ui/.

ui/compositor/layer_animation_element.h

Index: ui/compositor/layer_animation_element.h
diff --git a/ui/gfx/compositor/layer_animation_element.h b/ui/compositor/layer_animation_element.h
similarity index 95%
rename from ui/gfx/compositor/layer_animation_element.h
rename to ui/compositor/layer_animation_element.h
index 798772f1f5fe8d3b7dcc281765dc932416db7984..419ee93f29e99cac32f2700ebe0315c233a811d2 100644
--- a/ui/gfx/compositor/layer_animation_element.h
+++ b/ui/compositor/layer_animation_element.h
@@ -2,15 +2,15 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef UI_GFX_COMPOSITOR_LAYER_ANIMATION_ELEMENT_H_
-#define UI_GFX_COMPOSITOR_LAYER_ANIMATION_ELEMENT_H_
+#ifndef UI_COMPOSITOR_LAYER_ANIMATION_ELEMENT_H_
+#define UI_COMPOSITOR_LAYER_ANIMATION_ELEMENT_H_
 #pragma once
 
 #include <set>
 
 #include "base/time.h"
 #include "ui/base/animation/tween.h"
-#include "ui/gfx/compositor/compositor_export.h"
+#include "ui/compositor/compositor_export.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/transform.h"
 
@@ -131,4 +131,4 @@ class COMPOSITOR_EXPORT LayerAnimationElement {
 
 }  // namespace ui
 
-#endif  // UI_GFX_COMPOSITOR_LAYER_ANIMATION_ELEMENT_H_
+#endif  // UI_COMPOSITOR_LAYER_ANIMATION_ELEMENT_H_