aura: Replace UI-feature GYP flags with switches.

ash/wm/power_button_controller.h

 // 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.
 
 #ifndef ASH_WM_POWER_BUTTON_CONTROLLER_H_
 #define ASH_WM_POWER_BUTTON_CONTROLLER_H_
 #pragma once
 
 #include "ash/ash_export.h"
 #include "base/basictypes.h"
@@ skipping 114 matching lines @@
     DISALLOW_COPY_AND_ASSIGN(TestApi);
   };
 
   PowerButtonController();
   virtual ~PowerButtonController();
 
   void set_delegate(PowerButtonControllerDelegate* delegate) {
     delegate_.reset(delegate);
   }
 
+  void set_has_legacy_power_button_for_test(bool legacy) {
+    has_legacy_power_button_ = legacy;
+  }
+
   // Called when the user logs in.
   void OnLoginStateChange(bool logged_in, bool is_guest);
 
   // Called when the screen is locked (after the lock window is visible) or
   // unlocked.
   void OnLockStateChange(bool locked);
 
   // Called when Chrome gets a request to display the lock screen.
   void OnStartingLock();
 
@@ skipping 43 matching lines @@
   bool power_button_down_;
   bool lock_button_down_;
 
   // Are we in the process of shutting the machine down?
   bool shutting_down_;
 
   // Should we start |shutdown_timer_| when we receive notification that the
   // screen has been locked?
   bool should_start_shutdown_timer_after_lock_;
 
+  // Was a command-line switch set telling us that we're running on hardware
+  // that misreports power button releases?
+  bool has_legacy_power_button_;
+
   // Responsible for painting |background_layer_|.
   scoped_ptr<BackgroundLayerDelegate> background_layer_delegate_;
 
   // Layer that's stacked under all of the root window's children to provide a
   // black background when we're scaling all of the other windows down.
   scoped_ptr<ui::Layer> background_layer_;
 
   // Started when the user first presses the power button while in a
   // logged-in-as-a-non-guest-user, unlocked state.  When it fires, we lock the
   // screen.
@@ skipping 21 matching lines @@
   // |background_layer_|, as the desktop background is now covering the whole
   // screen.
   base::OneShotTimer<PowerButtonController> hide_background_layer_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(PowerButtonController);
 };
 
 }  // namespace ash
 
 #endif  // ASH_WM_POWER_BUTTON_CONTROLLER_H_