mash: Port ash_sysui ShelfDelegateMus impl to mojo:ash.

chrome/browser/ui/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//chrome/common/features.gni")
 import("//media/media_options.gni")
@@ skipping 264 matching lines @@
       "ash/launcher/chrome_launcher_controller_mus.h",
       "ash/launcher/chrome_mash_shelf_controller.cc",
       "ash/launcher/chrome_mash_shelf_controller.h",
     ]
     deps += [
       "//ash",
       "//ash:ash_with_content",
       "//ash/common/strings",
       "//ash/public/interfaces",
       "//components/user_manager",
-      "//mash/shelf/public/interfaces",
       "//ui/app_list/presenter",
       "//ui/app_list/presenter:mojom",
       "//ui/keyboard:mojom",
     ]
   } else {  # Not ash.
     sources += rebase_path(gypi_values.chrome_browser_ui_non_ash_sources,
                            ".",
                            "//chrome")
   }
   if (toolkit_views) {
@@ skipping 417 matching lines @@
     "//chrome/browser",
     "//content/public/browser",
     "//content/public/common",
     "//content/test:test_support",
     "//net:test_support",
     "//skia",
     "//testing/gtest",
     "//ui/base",
   ]
 }