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

jingle/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("//testing/test.gni")
 
 if (enable_webrtc || !is_android) {
   jingle_includes = exec_script("//build/gypi_to_gn.py",
                                 [ rebase_path("jingle.gypi") ],
@@ skipping 132 matching lines @@
     if (is_android) {
       sources -= [
         # TODO(jrg):
         # EXPECT_DEBUG_DEATH() uses features not enabled.
         # Should we -std=c++0x or -std=gnu++0x?
         "glue/chrome_async_socket_unittest.cc",
         "notifier/base/xmpp_connection_unittest.cc",
       ]
     }
 
+    configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
+
     public_deps = [
       "//third_party/libjingle",
     ]
     deps = [
       ":jingle_glue",
       ":notifier",
       ":notifier_test_util",
       "//base",
       "//base/test:run_all_unittests",
       "//base/test:test_support",
@@ skipping 24 matching lines @@
     ]
     deps = [
       "//base",
       "//net",
     ]
   }
 
   source_set("notifier_test_util") {
   }
 }