Update existing uses of /wd4267 to use the GN config

ui/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/ui.gni")
 import("//testing/test.gni")
 
 if (is_android) {
   import("//build/config/android/config.gni")
   import("//build/config/android/rules.gni")
@@ skipping 276 matching lines @@
     sources += [ "touch/touch_device_win.cc" ]
   } else if (is_android) {
     sources += [ "touch/touch_device_android.cc" ]
   } else if (is_linux) {
     sources += [ "touch/touch_device_linux.cc" ]
   } else {
     # Empty implementation for all other cases.
     sources += [ "touch/touch_device.cc" ]
   }
 
+  # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
+  configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
+
   defines = [ "UI_BASE_IMPLEMENTATION" ]
 
   public_deps = [
     "//base",
     "//skia",
     "//ui/events/platform",
     "//ui/events:events_base",
     "//ui/gfx",
     "//ui/gfx/geometry",
   ]
@@ skipping 100 matching lines @@
   }
 
   libs = []
   if (is_win) {
     sources += [
       "cursor/cursor_loader_win.cc",
       "cursor/cursor_loader_win.h",
     ]
     deps += [ "//third_party/wtl" ]
     cflags = [
-      "/wd4267",  # TODO(jschuh): C4267: http://crbug.com/167187 size_t -> int.
       "/wd4324",  # Structure was padded due to __declspec(align()), which is
                   # uninteresting.
     ]
     ldflags = [
       "/DELAYLOAD:d2d1.dll",
       "/DELAYLOAD:d3d10_1.dll",
       "/DELAYLOAD:dwmapi.dll",
     ]
     libs += [
       "d2d1.lib",
@@ skipping 266 matching lines @@
     }
     if (!use_x11 && is_chromeos) {
       # These were already removed in the non-chromeos case.
       sources -= [
         "ime/chromeos/character_composer_unittest.cc",
         "ime/input_method_chromeos_unittest.cc",
       ]
     }
   }
 
+  # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
+  configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
+
   deps = [
     "//base",
     "//base/allocator",
     "//base/test:test_support",
     "//net",
     "//skia",
     "//testing/gmock",
     "//testing/gtest",
     "//third_party/icu",
     "//ui/base",
@@ skipping 25 matching lines @@
     ldflags = [
       "/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_win || !use_aura) {
     sources -= [ "view_prop_unittest.cc" ]
   }
 
   if (is_android) {
     apk_deps = [ "//chrome:resources" ]
   }
 
@@ skipping 40 matching lines @@
   }
 
   if (is_chromeos) {
     deps += [
       "//chromeos",
       "//ui/events:dom4_keycode_converter",
     ]
   }
 }
 # TODO(GYP) Mac (ui_base_tests_bundle)