Update existing uses of /wd4267 to use the GN config

ui/gfx/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")
 
 if (is_android) {
   import("//build/config/android/config.gni")
   import("//build/config/android/rules.gni")
@@ skipping 206 matching lines @@
     "win/dpi.h",
     "win/hwnd_util.cc",
     "win/hwnd_util.h",
     "win/scoped_set_map_mode.h",
     "win/singleton_hwnd.cc",
     "win/singleton_hwnd.h",
     "win/window_impl.cc",
     "win/window_impl.h",
   ]
 
+  # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
+  configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
+
   defines = [ "GFX_IMPLEMENTATION" ]
 
   deps = [
     ":gfx_export",
     "//base",
     "//base:i18n",
     "//base:base_static",
     "//base/third_party/dynamic_annotations",
     "//skia",
     "//third_party/harfbuzz-ng",
@@ skipping 63 matching lines @@
       "android",
       "jnigraphics",
     ]
   } else {
     sources -= [ "canvas_notimplemented.cc" ]
   }
 
   # Windows.
   if (is_win) {
     cflags = [
-      "/wd4267",  # TODO(jschuh): C4267: http://crbug.com/167187 size_t -> int.
       "/wd4324",  # Structure was padded due to __declspec(align()), which is
                   # uninteresting.
     ]
   } else {
     sources -= [
       "gdi_util.cc",
       "gdi_util.h",
       "icon_util.cc",
       "icon_util.h",
     ]
@@ skipping 124 matching lines @@
       "render_text_unittest.cc",
       "sequential_id_generator_unittest.cc",
       "shadow_value_unittest.cc",
       "skbitmap_operations_unittest.cc",
       "skrect_conversion_unittest.cc",
       "transform_util_unittest.cc",
       "utf16_indexing_unittest.cc",
     ]
   }
 
+  # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
+  configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
+
   deps = [
     ":gfx",
     ":test_support",
     "//base",
     "//base/test:test_support",
     "//skia",
     "//third_party/icu:icuuc",
     "//third_party/libpng",
     "//third_party/zlib",
     "//testing/gtest",
@@ skipping 39 matching lines @@
       "/DELAYLOAD:d2d1.dll",
       "/DELAYLOAD:d3d10_1.dll",
     ]
 
     libs = [
       "d2d1.lib",
       "d3d10_1.lib",
       "imm32.lib",
       "oleacc.lib",
     ]
-
-    # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
-    cflags = [ "/wd4267" ]
   }
 }
 
 if (is_android) {
   generate_jni("gfx_jni_headers") {
     sources = [
       "../android/java/src/org/chromium/ui/gfx/BitmapHelper.java",
       "../android/java/src/org/chromium/ui/gfx/DeviceDisplayInfo.java",
       "../android/java/src/org/chromium/ui/gfx/ViewConfigurationHelper.java",
     ]
     jni_package = "gfx"
   }
 }