Add flag to enable immersive fullscreen for v2 apps

chrome/browser/ui/cocoa/apps/native_app_window_cocoa.mm

 // 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.
 
 #include "chrome/browser/ui/cocoa/apps/native_app_window_cocoa.h"
 
 #include "apps/app_shim/extension_app_shim_handler_mac.h"
 #include "base/command_line.h"
 #include "base/mac/mac_util.h"
 #include "base/strings/sys_string_conversions.h"
@@ skipping 409 matching lines @@
 }
 
 bool NativeAppWindowCocoa::IsMinimized() const {
   return [window() isMiniaturized];
 }
 
 bool NativeAppWindowCocoa::IsFullscreen() const {
   return is_fullscreen_;
 }
 
-void NativeAppWindowCocoa::SetFullscreen(bool fullscreen) {
+void NativeAppWindowCocoa::SetFullscreen(int fullscreen_types) {
+  bool fullscreen = (fullscreen_types != ShellWindow::FULLSCREEN_TYPE_NONE);
   if (fullscreen == is_fullscreen_)
     return;
   is_fullscreen_ = fullscreen;
 
   if (base::mac::IsOSLionOrLater()) {
     // If going fullscreen, but the window is constrained (fullscreen UI control
     // is disabled), temporarily enable it. It will be disabled again on leaving
     // fullscreen.
     if (fullscreen && !shows_fullscreen_controls_)
       SetFullScreenCollectionBehavior(window(), true);
@@ skipping 568 matching lines @@
   [window() setContentMinSize:NSMakeSize(min_size.width(), min_size.height())];
 
   gfx::Size max_size = shell_window_->size_constraints().GetMaximumSize();
   const int kUnboundedSize = ShellWindow::SizeConstraints::kUnboundedSize;
   CGFloat max_width = max_size.width() == kUnboundedSize ?
       CGFLOAT_MAX : max_size.width();
   CGFloat max_height = max_size.height() == kUnboundedSize ?
       CGFLOAT_MAX : max_size.height();
   [window() setContentMaxSize:NSMakeSize(max_width, max_height)];
 }