Revert of Rename MaximizeMode to TabletMode

ash/shelf/shelf_layout_manager.cc

 // Copyright (c) 2012 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/shelf/shelf_layout_manager.h"
 
 #include <algorithm>
 #include <cmath>
 #include <vector>
 
@@ skipping 512 matching lines @@
   StopAutoHideTimer();
 
   State old_state = state_;
   state_ = state;
 
   AnimationChangeType change_type = AnimationChangeType::ANIMATE;
   bool delay_background_change = false;
 
   // Do not animate the background when:
   // - Going from a hidden / auto hidden shelf in fullscreen to a visible shelf
-  //   in tablet mode.
-  // - Going from an auto hidden shelf in tablet mode to a visible shelf in
-  //   tablet mode.
+  //   in maximized mode.
+  // - Going from an auto hidden shelf in maximized mode to a visible shelf in
+  //   maximized mode.
   if (state.visibility_state == SHELF_VISIBLE &&
       state.window_state == wm::WORKSPACE_WINDOW_STATE_MAXIMIZED &&
       old_state.visibility_state != SHELF_VISIBLE) {
     change_type = AnimationChangeType::IMMEDIATE;
   } else {
     // Delay the animation when the shelf was hidden, and has just been made
     // visible (e.g. using a gesture-drag).
     if (state.visibility_state == SHELF_VISIBLE &&
         old_state.visibility_state == SHELF_AUTO_HIDE &&
         old_state.auto_hide_state == SHELF_AUTO_HIDE_HIDDEN) {
@@ skipping 608 matching lines @@
   gesture_drag_status_ = GESTURE_DRAG_NONE;
 }
 
 void ShelfLayoutManager::CancelGestureDrag() {
   gesture_drag_status_ = GESTURE_DRAG_CANCEL_IN_PROGRESS;
   UpdateVisibilityState();
   gesture_drag_status_ = GESTURE_DRAG_NONE;
 }
 
 }  // namespace ash