add secure_origin_whitelist to chrome source list

NOTE: is this something we actually want? cc @deepak1556

chromium_src/BUILD.gn

@@ -13,6 +13,8 @@ source_set("chrome") {
     "//chrome/browser/ssl/security_state_tab_helper.h",
     "//chrome/common/chrome_constants.cc",
     "//chrome/common/chrome_constants.h",
+    "//chrome/common/secure_origin_whitelist.cc",
+    "//chrome/common/secure_origin_whitelist.h",
   ]
   public_deps = [
     "//content/public/browser",