Move immersive fullscreen check into ImmersiveFullscreenConfiguration.

chrome/browser/ui/immersive_fullscreen_configuration.h

 // Copyright 2013 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 CHROME_BROWSER_UI_IMMERSIVE_FULLSCREEN_CONFIGURATION_H_
 #define CHROME_BROWSER_UI_IMMERSIVE_FULLSCREEN_CONFIGURATION_H_
 
 #include "base/basictypes.h"
 
 class ImmersiveFullscreenConfiguration {
  public:
+  // Returns true if immersive mode should be used for fullscreen based on
+  // command line flags.
+  static bool UseImmersiveFullscreen();
+
   static int immersive_mode_reveal_delay_ms() {
     return immersive_mode_reveal_delay_ms_;
   }
   static void set_immersive_mode_reveal_delay_ms(int val) {
     immersive_mode_reveal_delay_ms_ = val;
   }
 
   static int immersive_mode_reveal_x_threshold_pixels() {
     return immersive_mode_reveal_x_threshold_pixels_;
   }
   static void set_immersive_mode_reveal_x_threshold_pixels(int val) {
     immersive_mode_reveal_x_threshold_pixels_ = val;
   }
 
  private:
   // The time after which the edge trigger fires and top-chrome is revealed in
   // immersive fullscreen. This is after the mouse stops moving.
   static int immersive_mode_reveal_delay_ms_;
 
   // Threshold for horizontal mouse movement at the top of the screen for the
   // mouse to be considered "moving" in immersive fullscreen. This allows the
   // user to trigger a reveal even if their fingers are not completely still on
   // the trackpad or mouse.
   static int immersive_mode_reveal_x_threshold_pixels_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(ImmersiveFullscreenConfiguration);
 };
 
 #endif  // CHROME_BROWSER_UI_IMMERSIVE_FULLSCREEN_CONFIGURATION_H_