Do not show shelf or top chrome hints while in Ash immersive mode

ash/common/material_design/material_design_controller.cc

Index: ash/common/material_design/material_design_controller.cc
diff --git a/ash/common/material_design/material_design_controller.cc b/ash/common/material_design/material_design_controller.cc
index 41a6cb5e1c143c022e4a2fa1fef05a0f7c9e5e6f..5796eb9284de86a60261edd371f3a39fde0a443d 100644
--- a/ash/common/material_design/material_design_controller.cc
+++ b/ash/common/material_design/material_design_controller.cc
@@ -68,6 +68,11 @@ bool MaterialDesignController::IsShelfMaterial() {
 }
 
 // static
+bool MaterialDesignController::IsImmersiveModeEnabled() {
+  return IsMaterialExperimental() || IsMaterialNormal();

[tdanderson, 2016/09/08 21:19:14]

Just call IsMaterial() instead.

[yiyix, 2016/09/08 22:36:18]

Done.

+}
+
+// static
 bool MaterialDesignController::IsSystemTrayMenuMaterial() {
   return MaterialDesignController::IsMaterialExperimental();
 }