app_list: Another pass of cpplint.py to make it clean.

ui/app_list/views/top_icon_animation_view.h

Index: ui/app_list/views/top_icon_animation_view.h
diff --git a/ui/app_list/views/top_icon_animation_view.h b/ui/app_list/views/top_icon_animation_view.h
index dbc4517f894d4cb67ded268901077fcbfa7ab8ee..02790a9ac4d947fccfc5524f5c8c7cf215ff29ef 100644
--- a/ui/app_list/views/top_icon_animation_view.h
+++ b/ui/app_list/views/top_icon_animation_view.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef UI_APP_LIST_VIEWS_TOP_ICON_ANIMATION_VIEW_H
-#define UI_APP_LIST_VIEWS_TOP_ICON_ANIMATION_VIEW_H
+#ifndef UI_APP_LIST_VIEWS_TOP_ICON_ANIMATION_VIEW_H_
+#define UI_APP_LIST_VIEWS_TOP_ICON_ANIMATION_VIEW_H_
 
 #include "base/observer_list.h"
 #include "ui/compositor/layer_animation_observer.h"
@@ -75,4 +75,4 @@ class TopIconAnimationView : public views::View,
 
 }  // namespace app_list
 
-#endif  // UI_APP_LIST_VIEWS_TOP_ICON_ANIMATION_VIEW_H
+#endif  // UI_APP_LIST_VIEWS_TOP_ICON_ANIMATION_VIEW_H_