Enable immersive fullscreen for non-browser windows by default

ash/wm/custom_frame_view_ash.cc

 // Copyright (c) 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.
 
 #include "ash/wm/custom_frame_view_ash.h"
 
 #include "ash/ash_switches.h"
 #include "ash/wm/caption_buttons/frame_caption_button_container_view.h"
 #include "ash/wm/caption_buttons/frame_maximize_button.h"
 #include "ash/wm/caption_buttons/frame_maximize_button_observer.h"
@@ skipping 25 matching lines @@
   static gfx::Font* title_font = NULL;
   if (!title_font)
     title_font = new gfx::Font(views::NativeWidgetAura::GetWindowTitleFont());
   return *title_font;
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // CustomFrameViewAshWindowStateDelegate
 
 // Handles a user's fullscreen request (Shift+F4/F4). Puts the window into
-// immersive fullscreen if the kAshEnableImmersiveFullscreenForAllWindows
-// flag is set.
+// immersive fullscreen if immersive fullscreen is enabled for non-browser
+// windows.
 class CustomFrameViewAshWindowStateDelegate
     : public ash::wm::WindowStateDelegate,
       public ash::wm::WindowStateObserver,
       public aura::WindowObserver {
  public:
   CustomFrameViewAshWindowStateDelegate(
       ash::wm::WindowState* window_state,
       ash::CustomFrameViewAsh* custom_frame_view)
       : window_state_(NULL) {
 #if defined(OS_CHROMEOS)
     // TODO(pkotwicz): Investigate if immersive fullscreen can be enabled for
     // Windows Ash.
-    if (CommandLine::ForCurrentProcess()->HasSwitch(
-            ash::switches::kAshEnableImmersiveFullscreenForAllWindows)) {
+    if (ash::switches::UseImmersiveFullscreenForAllWindows()) {
       immersive_fullscreen_controller_.reset(
           new ash::ImmersiveFullscreenController);
       custom_frame_view->InitImmersiveFullscreenControllerForView(
           immersive_fullscreen_controller_.get());
 
       // Add a window state observer to exit fullscreen properly in case
       // fullscreen is exited without going through
       // WindowState::ToggleFullscreen(). This is the case when exiting
       // immersive fullscreen via the "Restore" window control.
       // TODO(pkotwicz): This is a hack. Remove ASAP. http://crbug.com/319048
@@ skipping 414 matching lines @@
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // CustomFrameViewAsh, private:
 
 int CustomFrameViewAsh::NonClientTopBorderHeight() const {
   return frame_->IsFullscreen() ? 0 : header_view_->GetPreferredHeight();
 }
 
 }  // namespace ash