[ios clean] Creates ToolsMenu Mediator and Consumer

ios/clean/chrome/browser/ui/tools/BUILD.gn

 # 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.
 
 source_set("tools") {
   sources = [
     "tools_coordinator.h",
     "tools_coordinator.mm",
+    "tools_mediator.h",
+    "tools_mediator.mm",
   ]
 
   configs += [ "//build/config/compiler:enable_arc" ]
 
   deps = [
     ":tools_ui",
     "//base",
     "//ios/clean/chrome/browser/ui/actions",
     "//ios/clean/chrome/browser/ui/animators",
     "//ios/clean/chrome/browser/ui/presenters",
     "//ios/shared/chrome/browser/coordinator_context",
     "//ios/shared/chrome/browser/ui/coordinators",
   ]
 }
 
 source_set("tools_ui") {
   sources = [
     "menu_overflow_controls_stackview.h",
     "menu_overflow_controls_stackview.mm",
     "menu_view_controller.h",
     "menu_view_controller.mm",
+    "tools_consumer.h",
+    "tools_menu_item.h",
+    "tools_menu_item.mm",
   ]
 
   configs += [ "//build/config/compiler:enable_arc" ]
 
   deps = [
     "//base",
     "//base:i18n",
     "//ios/chrome/browser/ui",
     "//ios/clean/chrome/browser/ui/actions",
     "//ios/clean/chrome/browser/ui/toolbar:toolbar_components_ui",
     "//ios/third_party/material_roboto_font_loader_ios",
   ]
 }