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

ash/wm/window_properties.h

Index: ash/wm/window_properties.h
diff --git a/ash/wm/window_properties.h b/ash/wm/window_properties.h
index 21d7ae9e5dfedf7dbe12bf73b0c7cfbe2b0e116a..7847b62b049132825b2189d35fc5b00bb7646e7c 100644
--- a/ash/wm/window_properties.h
+++ b/ash/wm/window_properties.h
@@ -38,6 +38,12 @@ extern const aura::WindowProperty<bool>* const kContinueDragAfterReparent;
 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
@@ -48,9 +54,6 @@ ASH_EXPORT extern const aura::WindowProperty<bool>* const
 extern const aura::WindowProperty<bool>* const
     kIgnoredByShelfKey;
 
-// True if this is a browser window in immersive mode.
-ASH_EXPORT extern const aura::WindowProperty<bool>* const kImmersiveModeKey;
-
 // True if this window is an attached panel.
 ASH_EXPORT extern const aura::WindowProperty<bool>* const kPanelAttachedKey;