Make the member |is_cursor_visible_| in DesktopWindowTreeHostWin static.

ui/views/widget/desktop_aura/desktop_root_window_host_win.cc

Index: ui/views/widget/desktop_aura/desktop_root_window_host_win.cc
diff --git a/ui/views/widget/desktop_aura/desktop_root_window_host_win.cc b/ui/views/widget/desktop_aura/desktop_root_window_host_win.cc
index fb7950e161bb48c3eed8f29672af2904d5b699f8..69473a953030cd3dcdabdcd3def6846035cc3d0e 100644
--- a/ui/views/widget/desktop_aura/desktop_root_window_host_win.cc
+++ b/ui/views/widget/desktop_aura/desktop_root_window_host_win.cc
@@ -71,6 +71,8 @@ DEFINE_WINDOW_PROPERTY_KEY(DesktopWindowTreeHostWin*, kDesktopWindowTreeHostKey,
 ////////////////////////////////////////////////////////////////////////////////
 // DesktopWindowTreeHostWin, public:
 
+bool DesktopWindowTreeHostWin::is_cursor_visible_ = true;
+
 DesktopWindowTreeHostWin::DesktopWindowTreeHostWin(
     internal::NativeWidgetDelegate* native_widget_delegate,
     DesktopNativeWidgetAura* desktop_native_widget_aura)
@@ -83,8 +85,7 @@ DesktopWindowTreeHostWin::DesktopWindowTreeHostWin(
       should_animate_window_close_(false),
       pending_close_(false),
       has_non_client_view_(false),
-      tooltip_(NULL),
-      is_cursor_visible_(true) {
+      tooltip_(NULL) {
 }
 
 DesktopWindowTreeHostWin::~DesktopWindowTreeHostWin() {