Make the cursor have separate mode for disabled mouse events and invisible.

ash/test/ash_test_base.cc

Index: ash/test/ash_test_base.cc
diff --git a/ash/test/ash_test_base.cc b/ash/test/ash_test_base.cc
index f308e6960a51cbb2f00bd889b225d4ee618dc900..b9da0d7399e70aa025e61f3ed54ccb0c00e47f03 100644
--- a/ash/test/ash_test_base.cc
+++ b/ash/test/ash_test_base.cc
@@ -65,7 +65,7 @@ void AshTestBase::SetUp() {
   // Move the mouse cursor to far away so that native events doesn't
   // interfere test expectations.
   Shell::GetPrimaryRootWindow()->MoveCursorTo(gfx::Point(-1000, -1000));
-  Shell::GetInstance()->cursor_manager()->ShowCursor(true);
+  Shell::GetInstance()->cursor_manager()->EnableMouseEvents();
 }
 
 void AshTestBase::TearDown() {