[ios clean] Creates ToolsMenu model.

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",
+    "tools_mediator_private.h",
+    "tools_menu_model.h",
+    "tools_menu_model.mm",
   ]
 
   configs += [ "//build/config/compiler:enable_arc" ]
 
   deps = [
     ":tools_ui",
     "//base",
+    "//ios/chrome/browser/ui/tools_menu",

[sczs, 2017/05/16 20:31:03]

I will cleanup this on a following CL. The constants file needs to be moved to
shared

[lpromero, 2017/05/23 09:00:43]

Can you either add a comment in the code, or link here in the review to a WIP
CL?

[sczs, 2017/05/23 20:28:18]

Done.

     "//ios/clean/chrome/browser/ui/animators",
     "//ios/clean/chrome/browser/ui/commands",
     "//ios/clean/chrome/browser/ui/presenters",
     "//ios/shared/chrome/browser/ui/browser_list",
     "//ios/shared/chrome/browser/ui/coordinators",
     "//ios/shared/chrome/browser/ui/tools_menu",
   ]
 }
 
 source_set("tools_ui") {
@@ skipping 33 matching lines @@
   deps = [
     ":tools",
     ":tools_ui",
     "//base/test:test_support",
     "//ios/chrome/test/base",
     "//ios/shared/chrome/browser/ui/tools_menu",
     "//testing/gtest",
     "//third_party/ocmock",
   ]
 }