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

media/blink/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("//testing/test.gni")
 
 component("blink") {
   output_name = "media_blink"
 
   deps = [
@@ skipping 86 matching lines @@
       "//media/base:test_support",
       "//net",
       "//testing/gmock",
       "//testing/gtest",
       "//third_party/WebKit/public:blink",
       "//ui/gfx/geometry",
       "//ui/gfx:test_support",
       "//url",
     ]
 
+    configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
+
     sources = [
       "buffered_data_source_host_impl_unittest.cc",
       "buffered_data_source_unittest.cc",
       "buffered_resource_loader_unittest.cc",
       "cache_util_unittest.cc",
       "mock_webframeclient.h",
       "mock_weburlloader.cc",
       "mock_weburlloader.h",
       "run_all_unittests.cc",
       "test_response_generator.cc",
       "test_response_generator.h",
       "video_frame_compositor_unittest.cc",
       "webaudiosourceprovider_impl_unittest.cc",
     ]
   }
 }