Hide the tab indicators and the shelf when in immersive + tab fullscreen

ash/wm/window_properties.h

 // 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.
 
 #ifndef ASH_WM_WINDOW_PROPERTIES_H_
 #define ASH_WM_WINDOW_PROPERTIES_H_
 
 #include "ash/ash_export.h"
 #include "ash/wm/property_util.h"
 #include "ui/aura/window.h"
@@ skipping 20 matching lines @@
 
 // A property key to indicate that an in progress drag should be continued
 // after the window is reparented to another container.
 extern const aura::WindowProperty<bool>* const kContinueDragAfterReparent;
 
 // A property key to indicate that the user is cycling through workspaces.
 // The property should only be set on the root window.
 ASH_EXPORT extern const aura::WindowProperty<bool>* const
     kCyclingThroughWorkspacesKey;
 
+// A property key to indicate whether there is any chrome at all that cannot be
+// hidden when the window is fullscreen. This is unrelated to whether the full
+// chrome can be revealed by hovering the mouse at the top of the screen.
+ASH_EXPORT extern const aura::WindowProperty<bool>* const
+    kFullscreenUsesMinimalChromeKey;
+
 // A property key to disable the frame painter policy for solo windows.
 // It is only available for root windows.
 ASH_EXPORT extern const aura::WindowProperty<bool>* const
     kIgnoreSoloWindowFramePainterPolicy;
 
 // True if the window is ignored by the shelf layout manager for purposes of
 // darkening the shelf.
 extern const aura::WindowProperty<bool>* const
     kIgnoredByShelfKey;
 
@@ skipping 50 matching lines @@
 // True if the window is controlled by the workspace manager.
 extern const aura::WindowProperty<bool>* const
     kWindowTrackedByWorkspaceKey;
 
 // Alphabetical sort.
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_WM_WINDOW_PROPERTIES_H_