mash: Move ash_switches.* to ash/common; cleanup DEPS.

ash/common/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/common/ash_switches.h"
 #include "ash/common/material_design/material_design_controller.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/trace_event/trace_event.h"
 
 #if defined(OS_CHROMEOS)
 #include "ui/chromeos/material_design_icon_controller.h"
 #endif  // OS_CHROMEOS
 
 namespace ash {
@@ skipping 83 matching lines @@
 void MaterialDesignController::SetMode(Mode mode) {
   mode_ = mode;
 }
 
 // static
 void MaterialDesignController::Uninitialize() {
   mode_ = Mode::UNINITIALIZED;
 }
 
 }  // namespace ash