Update existing uses of /wd4267 to use the GN config

components/autofill/core/browser/BUILD.gn

Index: components/autofill/core/browser/BUILD.gn
diff --git a/components/autofill/core/browser/BUILD.gn b/components/autofill/core/browser/BUILD.gn
index dd040a09e90b1108b877aa0cb20730e876dd4ac8..5c937b0ec2d21030e85939e2297ee4e956023120 100644
--- a/components/autofill/core/browser/BUILD.gn
+++ b/components/autofill/core/browser/BUILD.gn
@@ -175,6 +175,7 @@ static_library("browser") {
     "//url",
   ]
 
+  configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
   public_configs = [ ":autofill_browser_config" ]
 
   if (autofill_enable_sync) {
@@ -189,11 +190,6 @@ static_library("browser") {
       "webdata/autofill_wallet_syncable_service.h",
     ]
   }
-
-  if (is_win) {
-    # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
-    cflags = [ "/wd4267" ]
-  }
 }
 
 static_library("test_support") {