Centralize mojo edk initialization path for some unit tests.

chrome/test/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/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/common/features.gni")
@@ skipping 4966 matching lines @@
     "base/run_all_unittests.cc",
   ]
 
   public_deps = [
     ":test_support",
     "//base",
     "//chrome:resources",
     "//chrome:strings",
     "//chrome/browser",
     "//chrome/common",
-    "//mojo/edk/system",
+    "//mojo/edk/test:test_support",
   ]
 
   if (!is_android && use_ash) {
     sources += [
       "../browser/ui/ash/launcher/test/launcher_application_menu_item_model_test_api.cc",
       "../browser/ui/ash/launcher/test/launcher_application_menu_item_model_test_api.h",
       "../browser/ui/ash/launcher/test/test_chrome_launcher_app_menu_item.cc",
       "../browser/ui/ash/launcher/test/test_chrome_launcher_app_menu_item.h",
     ]
   }
@@ skipping 38 matching lines @@
       "touch_hud",
       "ui",
     ]
 
     if (is_linux && !is_android) {
       deps += [ "//components/font_service:manifest" ]
       packaged_services += [ "font_service" ]
     }
   }
 }