Add more size_t -> int warning fixes for the win x64 GN build.

ui/app_list/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/ui.gni")
 import("//testing/test.gni")
 
 component("app_list") {
   sources = [
     "app_list_constants.cc",
@@ skipping 216 matching lines @@
       "pagination_model_unittest.cc",
       "search/history_data_store_unittest.cc",
       "search/mixer_unittest.cc",
       "search/term_break_iterator_unittest.cc",
       "search/tokenized_string_char_iterator_unittest.cc",
       "search/tokenized_string_match_unittest.cc",
       "search/tokenized_string_unittest.cc",
       "test/run_all_unittests.cc",
     ]
 
+    configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
+
     deps = [
       ":app_list",
       ":test_support",
       "//base",
       "//base/test:test_support",
       "//skia",
       "//testing/gtest",
       "//ui/base",
       "//ui/compositor",
       "//ui/events",
@@ skipping 28 matching lines @@
         "cocoa/app_list_window_controller_unittest.mm",
         "cocoa/apps_grid_controller_unittest.mm",
         "cocoa/apps_search_box_controller_unittest.mm",
         "cocoa/apps_search_results_controller_unittest.mm",
         "cocoa/test/apps_grid_controller_test_helper.h",
         "cocoa/test/apps_grid_controller_test_helper.mm",
       ]
     }
   }
 }