Add flag to enable immersive fullscreen for v2 apps

chrome/browser/ui/cocoa/apps/native_app_window_cocoa.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_COCOA_APPS_NATIVE_APP_WINDOW_COCOA_H_
 #define CHROME_BROWSER_UI_COCOA_APPS_NATIVE_APP_WINDOW_COCOA_H_
 
 #import <Cocoa/Cocoa.h>
 #include <vector>
 
@@ skipping 95 matching lines @@
 
   // Returns true if |point| in local Cocoa coordinate system falls within
   // the draggable region.
   bool IsWithinDraggableRegion(NSPoint point) const;
 
   NSRect restored_bounds() const { return restored_bounds_; }
   bool use_system_drag() const { return use_system_drag_; }
 
  protected:
   // NativeAppWindow implementation.
-  virtual void SetFullscreen(bool fullscreen) OVERRIDE;
+  virtual void SetFullscreen(int fullscreen_types) OVERRIDE;
   virtual bool IsFullscreenOrPending() const OVERRIDE;
   virtual bool IsDetached() const OVERRIDE;
   virtual void UpdateWindowIcon() OVERRIDE;
   virtual void UpdateWindowTitle() OVERRIDE;
   virtual void UpdateInputRegion(scoped_ptr<SkRegion> region) OVERRIDE;
   virtual void UpdateDraggableRegions(
       const std::vector<extensions::DraggableRegion>& regions) OVERRIDE;
   virtual SkRegion* GetDraggableRegion() OVERRIDE;
   virtual void HandleKeyboardEvent(
       const content::NativeWebKeyboardEvent& event) OVERRIDE;
@@ skipping 95 matching lines @@
   NSPoint last_mouse_location_;
 
   // The Extension Command Registry used to determine which keyboard events to
   // handle.
   scoped_ptr<ExtensionKeybindingRegistryCocoa> extension_keybinding_registry_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeAppWindowCocoa);
 };
 
 #endif  // CHROME_BROWSER_UI_COCOA_APPS_NATIVE_APP_WINDOW_COCOA_H_