Revert of Rename MaximizeMode to TabletMode

ash/wm/tablet_mode/tablet_mode_event_handler_aura.cc

Index: ash/wm/tablet_mode/tablet_mode_event_handler_aura.cc
diff --git a/ash/wm/tablet_mode/tablet_mode_event_handler_aura.cc b/ash/wm/tablet_mode/tablet_mode_event_handler_aura.cc
deleted file mode 100644
index e3263585fe0f918b45d1accbb4964be88d6cfdb8..0000000000000000000000000000000000000000
--- a/ash/wm/tablet_mode/tablet_mode_event_handler_aura.cc
+++ /dev/null
@@ -1,27 +0,0 @@
-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "ash/wm/tablet_mode/tablet_mode_event_handler_aura.h"
-
-#include "ash/shell.h"
-#include "ui/events/event.h"
-
-namespace ash {
-namespace wm {
-
-TabletModeEventHandlerAura::TabletModeEventHandlerAura() {
-  Shell::Get()->AddPreTargetHandler(this);
-}
-
-TabletModeEventHandlerAura::~TabletModeEventHandlerAura() {
-  Shell::Get()->RemovePreTargetHandler(this);
-}
-
-void TabletModeEventHandlerAura::OnTouchEvent(ui::TouchEvent* event) {
-  if (ToggleFullscreen(*event))
-    event->StopPropagation();
-}
-
-}  // namespace wm
-}  // namespace ash