[iOS Clean] Created OverlayService.

ios/chrome/browser/ui/dialogs/BUILD.gn

Index: ios/chrome/browser/ui/dialogs/BUILD.gn
diff --git a/ios/chrome/browser/ui/dialogs/BUILD.gn b/ios/chrome/browser/ui/dialogs/BUILD.gn
index 0cb734068aad121d9b52b696e70bf1ec04304c8e..0f915b80f046a199c5758069319775cdf0758a0b 100644
--- a/ios/chrome/browser/ui/dialogs/BUILD.gn
+++ b/ios/chrome/browser/ui/dialogs/BUILD.gn
@@ -40,8 +40,6 @@ source_set("dialogs_internal") {
     "dialog_presenter.mm",
     "java_script_dialog_presenter_impl.h",
     "java_script_dialog_presenter_impl.mm",
-    "nsurl_protection_space_util.h",
-    "nsurl_protection_space_util.mm",
   ]
   deps = [
     ":dialogs",
@@ -51,6 +49,7 @@ source_set("dialogs_internal") {
     "//ios/chrome/app/strings",
     "//ios/chrome/browser/ui",
     "//ios/chrome/browser/ui/alert_coordinator",
+    "//ios/shared/chrome/browser/ui/dialogs",
     "//ios/web",
     "//ui/base",
     "//url",
@@ -63,7 +62,6 @@ source_set("unit_tests_internal") {
   testonly = true
   sources = [
     "dialog_presenter_unittest.mm",
-    "nsurl_protection_space_util_unittest.mm",
   ]
   deps = [
     ":dialogs_internal",
@@ -71,6 +69,7 @@ source_set("unit_tests_internal") {
     "//components/strings",
     "//ios/chrome/app/strings",
     "//ios/chrome/browser/ui/alert_coordinator",
+    "//ios/shared/chrome/browser/ui/dialogs:unit_tests",
     "//ios/web",
     "//ios/web/public/test/fakes",
     "//testing/gtest",