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

media/base/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/android/config.gni")
 import("//build/config/arm.gni")
 import("//build/config/ui.gni")
 import("//build/config/linux/pkg_config.gni")
 import("//media/media_options.gni")
 
@@ skipping 252 matching lines @@
 # Minimal media component for media/cast on iOS.
 config("base_for_cast_ios_dependent_config") {
   defines = [ "MEDIA_FOR_CAST_IOS" ]
 }
 
 source_set("base_for_cast_ios") {
   sources = [
     "video_frame.cc",
     "video_frame.h",
   ]
-  configs += [ "//media:media_config" ]
+  configs += [
+    "//build/config/compiler:no_size_t_to_int_warning",
+    "//media:media_config",
+  ]
   all_dependent_configs = [ ":base_for_cast_ios_dependent_config" ]
 }
 
 source_set("test_support") {
   testonly = true
   sources = [
     "fake_audio_render_callback.cc",
     "fake_audio_render_callback.h",
     "fake_audio_renderer_sink.cc",
     "fake_audio_renderer_sink.h",
@@ skipping 60 matching lines @@
     "text_renderer_unittest.cc",
     "user_input_monitor_unittest.cc",
     "vector_math_testing.h",
     "vector_math_unittest.cc",
     "video_frame_pool_unittest.cc",
     "video_frame_unittest.cc",
     "video_util_unittest.cc",
     "wall_clock_time_source_unittest.cc",
     "yuv_convert_unittest.cc",
   ]
-  configs += [ "//media:media_config" ]
+  configs += [
+    "//build/config/compiler:no_size_t_to_int_warning",
+    "//media:media_config",
+  ]
   deps = [
     ":base",
     ":test_support",
     "//skia",
     "//testing/gmock",
     "//testing/gtest",
   ]
 
   if (media_use_ffmpeg) {
     sources += [
@@ skipping 106 matching lines @@
       if (is_posix) {
         yasm_flags += [ "-DELF" ]
         if (cpu_arch == "x64") {
           # TODO(ajwong): Why isn't this true in mac?
           yasm_flags += [ "-DPIC" ]
         }
       }
     }
   }
 }