Remove unnecessary deps on base_static in mojo

mojo/shell/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("//mojo/public/tools/bindings/mojom.gni")
 import("//build/config/ui.gni")
 
 executable("mojo_shell") {
   deps = [
     ":lib",
@@ skipping 155 matching lines @@
 
 # GYP version: mojo/mojo.gyp:mojo_shell_test_support
 source_set("test_support") {
   sources = [
     "shell_test_helper.cc",
     "shell_test_helper.h",
   ]
 
   deps = [
     ":lib",
-    "//base:base_static",
     "//mojo/system",
   ]
 }
 
 # GYP version: mojo/mojo.gyp:external_application_tests
 test("mojo_external_application_tests") {
   deps = [
     ":lib",
     ":external_application_registrar_connection",
     "//base",
     "//base/test:test_support",
     "//testing/gtest",
     "//net:test_support",
     "//url",
     "//mojo/application_manager",
     "//mojo/common",
     "//mojo/environment:chromium",
     "//mojo/system",
   ]
 
   sources = [
     "incoming_connection_listener_unittest.cc",
     "external_application_listener_unittest.cc",
     "external_application_test_main.cc",
   ]
 }