Update activity indicator from a light bar to a point

ash/material_design/material_design_controller.h

Index: ash/material_design/material_design_controller.h
diff --git a/ash/material_design/material_design_controller.h b/ash/material_design/material_design_controller.h
index cd272b0706312c37023158aa95f1bf778196fb03..d256fc098d9b6895c747cd253a07c551f8b1673d 100644
--- a/ash/material_design/material_design_controller.h
+++ b/ash/material_design/material_design_controller.h
@@ -41,6 +41,9 @@ class ASH_EXPORT MaterialDesignController {
   // Maps to "--ash-md=experimental" command line switch value.
   static bool IsMaterialExperimental();
 
+  // Returns true if shelf is using Material Design

[varkha, 2016/05/13 23:01:24]

nit: period at the end of a sentence.
Maybe "Returns true if Material Design features are enabled for Chrome OS
shelf."

[yiyix, 2016/05/14 01:28:53]

I like it better. It explicitly says that this controller is designed for the
Chrome OS shelf.

Done.

+  static bool IsShelfMaterial();
+
  private:
   friend class test::MaterialDesignControllerTestAPI;