clang-format all of //ash

ash/drag_drop/drag_drop_controller.h

Index: ash/drag_drop/drag_drop_controller.h
diff --git a/ash/drag_drop/drag_drop_controller.h b/ash/drag_drop/drag_drop_controller.h
index ec90443f2fc4d4f518df045436ae5f1d52dcd5c0..dbe26583ff3c53a2f5098ef8146391c5aaf8223c 100644
--- a/ash/drag_drop/drag_drop_controller.h
+++ b/ash/drag_drop/drag_drop_controller.h
@@ -32,11 +32,10 @@ namespace test {
 class DragDropControllerTest;
 }
 
-class ASH_EXPORT DragDropController
-    : public aura::client::DragDropClient,
-      public ui::EventHandler,
-      public gfx::AnimationDelegate,
-      public aura::WindowObserver {
+class ASH_EXPORT DragDropController : public aura::client::DragDropClient,
+                                      public ui::EventHandler,
+                                      public gfx::AnimationDelegate,
+                                      public aura::WindowObserver {
  public:
   DragDropController();
   ~DragDropController() override;