Enable new-virtual-keyboard-behavior flag by default.

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 415 matching lines @@
   UpdateAutoHideStateNow();
 }
 
 void ShelfLayoutManager::OnKeyboardBoundsChanging(const gfx::Rect& new_bounds) {
   bool keyboard_is_about_to_hide = false;
   if (new_bounds.IsEmpty() && !keyboard_bounds_.IsEmpty())
     keyboard_is_about_to_hide = true;
   // If new window behavior flag enabled and in non-sticky mode, do not change
   // the work area.
   bool change_work_area =
-      (!base::CommandLine::ForCurrentProcess()->HasSwitch(
-           ::switches::kUseNewVirtualKeyboardBehavior) ||
-       keyboard::KeyboardController::GetInstance()->keyboard_locked());
+      (base::CommandLine::ForCurrentProcess()->HasSwitch(
+           ::switches::kDisableNewVirtualKeyboardBehavior) ||
+       (keyboard::KeyboardController::GetInstance() &&
+        keyboard::KeyboardController::GetInstance()->keyboard_locked()));
 
   keyboard_bounds_ = new_bounds;
   LayoutShelfAndUpdateBounds(change_work_area);
 
   // On login screen if keyboard has been just hidden, update bounds just once
   // but ignore target_bounds.work_area_insets since shelf overlaps with login
   // window.
   if (Shell::Get()->session_controller()->IsUserSessionBlocked() &&
       keyboard_is_about_to_hide) {
     WmWindow* window = WmWindow::Get(shelf_widget_->GetNativeWindow());
@@ skipping 694 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