Update activity indicator from a light bar to a point

ash/material_design/material_design_controller.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <string>
 
 #include "ash/ash_switches.h"
 #include "ash/material_design/material_design_controller.h"
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 36 matching lines @@
   return IsMaterialExperimental() || mode_ == Mode::MATERIAL_NORMAL;
 }
 
 // static
 bool MaterialDesignController::IsMaterialExperimental() {
   DCHECK_NE(mode_, Mode::UNINITIALIZED);
   return mode_ == Mode::MATERIAL_EXPERIMENTAL;
 }
 
 // static
+bool MaterialDesignController::IsShelfMaterial() {
+  return MaterialDesignController::IsMaterialExperimental();
+}
+
+// static
 MaterialDesignController::Mode MaterialDesignController::mode() {
   return mode_;
 }
 
 // static
 MaterialDesignController::Mode MaterialDesignController::DefaultMode() {
   return Mode::NON_MATERIAL;
 }
 
 // static
 void MaterialDesignController::SetMode(Mode mode) {
   mode_ = mode;
 }
 
 // static
 void MaterialDesignController::Uninitialize() {
   mode_ = Mode::UNINITIALIZED;
 }
 
 }  // namespace ui