Remove ash::switches::UseImmersiveFullscreenForAllWindows()

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 40 matching lines @@
       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 (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());
 
-      // 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
-      window_state_ = window_state;
-      window_state_->AddObserver(this);
-      window_state_->window()->AddObserver(this);
-    }
+    // 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
+    window_state_ = window_state;
+    window_state_->AddObserver(this);
+    window_state_->window()->AddObserver(this);
 #endif
   }
   virtual ~CustomFrameViewAshWindowStateDelegate() {
     if (window_state_) {
       window_state_->RemoveObserver(this);
       window_state_->window()->RemoveObserver(this);
     }
   }
  private:
   // Overridden from ash::wm::WindowStateDelegate:
@@ skipping 425 matching lines @@
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // CustomFrameViewAsh, private:
 
 int CustomFrameViewAsh::NonClientTopBorderHeight() const {
   return frame_->IsFullscreen() ? 0 : header_view_->GetPreferredHeight();
 }
 
 }  // namespace ash