Add set_autohide_systemui to wayland protocol

components/exo/shell_surface.cc

Index: components/exo/shell_surface.cc
diff --git a/components/exo/shell_surface.cc b/components/exo/shell_surface.cc
index 38cb702c942bd42e834801e9018e67a9c94c3fd4..9b685eb229e563c433c948cbe1d6f0dd97916f20 100644
--- a/components/exo/shell_surface.cc
+++ b/components/exo/shell_surface.cc
@@ -504,6 +504,12 @@ void ShellSurface::SetPinned(bool pinned, bool trusted) {
   }
 }
 
+void ShellSurface::SetAutohideShelf(uint32_t autohide) {
+  TRACE_EVENT1("exo", "ShellSurface::SetAutohideShelf", "autohide", autohide);
+  // TODO: Implemented in next CL. crbug.com/705723
+  NOTIMPLEMENTED();
+}
+
 void ShellSurface::SetTitle(const base::string16& title) {
   TRACE_EVENT1("exo", "ShellSurface::SetTitle", "title",
                base::UTF16ToUTF8(title));