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

printing/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/features.gni")
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 if (is_mac) {
   import("//build/config/mac/mac_sdk.gni")
 }
@@ skipping 183 matching lines @@
     "page_range_unittest.cc",
     "page_setup_unittest.cc",
     "pdf_metafile_cg_mac_unittest.cc",
     "printed_page_unittest.cc",
     "printing_context_win_unittest.cc",
     "printing_test.h",
     "printing_utils_unittest.cc",
     "units_unittest.cc",
   ]
 
+  configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
+
   if (use_cups) {
     configs += [ ":cups" ]
     sources += [ "backend/cups_helper_unittest.cc" ]
   }
 
   deps = [
     ":printing",
     "//base/allocator",
     "//base/test:run_all_unittests",
     "//base/test:test_support",
@@ skipping 27 matching lines @@
   }
 
   # GYP: //printing/printing.gyp:printing_java
   android_library("printing_java") {
     deps = [
       "//base:base_java",
     ]
     DEPRECATED_java_in_dir = "android/java/src"
   }
 }