Add flag to enable immersive fullscreen for v2 apps

chrome/browser/ui/views/frame/immersive_mode_controller_ash.h

 // Copyright 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 CHROME_BROWSER_UI_VIEWS_FRAME_IMMERSIVE_MODE_CONTROLLER_ASH_H_
 #define CHROME_BROWSER_UI_VIEWS_FRAME_IMMERSIVE_MODE_CONTROLLER_ASH_H_
 
 #include "chrome/browser/ui/views/frame/immersive_mode_controller.h"
 
 #include "ash/wm/immersive_fullscreen_controller.h"
@@ skipping 47 matching lines @@
   void SetRenderWindowTopInsetsForTouch(int top_inset);
 
   // Sets whether the tab strip is painted in a short "light bar" style.
   void SetTabIndicatorsVisible(bool visible);
 
   // ImmersiveFullscreenController::Delegate overrides:
   virtual void OnImmersiveRevealStarted() OVERRIDE;
   virtual void OnImmersiveRevealEnded() OVERRIDE;
   virtual void OnImmersiveFullscreenExited() OVERRIDE;
   virtual void SetVisibleFraction(double visible_fraction) OVERRIDE;
-  virtual std::vector<gfx::Rect> GetVisibleBoundsInScreen() OVERRIDE;
+  virtual std::vector<gfx::Rect> GetVisibleBoundsInScreen() const OVERRIDE;
 
   // ash::wm::WindowStateObserver override:
   virtual void OnWindowShowTypeChanged(
       ash::wm::WindowState* window_state,
       ash::wm::WindowShowType old_type) OVERRIDE;
 
   // content::NotificationObserver override:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
@@ skipping 21 matching lines @@
   // the top-of-window views are not revealed regardless of
   // |use_tab_indicators_|.
   double visible_fraction_;
 
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(ImmersiveModeControllerAsh);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_IMMERSIVE_MODE_CONTROLLER_ASH_H_