Remove ash::switches::UseImmersiveFullscreenForAllWindows()

chrome/browser/ui/views/apps/chrome_native_app_window_views.cc

 // Copyright 2014 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/views/apps/chrome_native_app_window_views.h"
 
 #include "apps/ui/views/app_window_frame_view.h"
 #include "base/command_line.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/app_mode/app_mode_utils.h"
@@ skipping 490 matching lines @@
       return frame_view;
     }
 
     if (!IsFrameless()) {
       ash::CustomFrameViewAsh* custom_frame_view =
           new ash::CustomFrameViewAsh(widget);
 #if defined(OS_CHROMEOS)
       // Non-frameless app windows can be put into immersive fullscreen.
       // TODO(pkotwicz): Investigate if immersive fullscreen can be enabled for
       // Windows Ash.
-      if (ash::switches::UseImmersiveFullscreenForAllWindows()) {
-        immersive_fullscreen_controller_.reset(
-            new ash::ImmersiveFullscreenController());
-        custom_frame_view->InitImmersiveFullscreenControllerForView(
-            immersive_fullscreen_controller_.get());
-      }
+      immersive_fullscreen_controller_.reset(
+          new ash::ImmersiveFullscreenController());
+      custom_frame_view->InitImmersiveFullscreenControllerForView(
+          immersive_fullscreen_controller_.get());
 #endif
       custom_frame_view->GetHeaderView()->set_context_menu_controller(this);
       return custom_frame_view;
     }
   }
 #endif
   if (!ShouldUseNativeFrame())
     return CreateAppWindowFrameView();
   return views::WidgetDelegateView::CreateNonClientFrameView(widget);
 }
@@ skipping 152 matching lines @@
       NULL));
 
 #if defined(OS_WIN)
   if (!ShouldUseNativeFrame() &&
       chrome::GetHostDesktopTypeForNativeWindow(window()->GetNativeWindow()) !=
       chrome::HOST_DESKTOP_TYPE_ASH) {
     InstallEasyResizeTargeterOnContainer();
   }
 #endif
 }