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

ash/tooltips/tooltip_controller_unittest.cc

Index: ash/tooltips/tooltip_controller_unittest.cc
diff --git a/ash/tooltips/tooltip_controller_unittest.cc b/ash/tooltips/tooltip_controller_unittest.cc
index a4b2be3aebfaa282f68790149b5cd67ba17818c7..4426654ec4073ac8979b89e886d6ecd49c511bfb 100644
--- a/ash/tooltips/tooltip_controller_unittest.cc
+++ b/ash/tooltips/tooltip_controller_unittest.cc
@@ -267,12 +267,12 @@ TEST_F(TooltipControllerTest, HideTooltipWhenCursorHidden) {
   EXPECT_TRUE(IsTooltipVisible());
 
   // Hide the cursor and check again.
-  ash::Shell::GetInstance()->cursor_manager()->ShowCursor(false);
+  ash::Shell::GetInstance()->cursor_manager()->DisableMouseEvents();
   FireTooltipTimer();
   EXPECT_FALSE(IsTooltipVisible());
 
   // Show the cursor and re-check.
-  ash::Shell::GetInstance()->cursor_manager()->ShowCursor(true);
+  ash::Shell::GetInstance()->cursor_manager()->EnableMouseEvents();
   FireTooltipTimer();
   EXPECT_TRUE(IsTooltipVisible());
 }