Upstream utilities to select icon to display in omnibox.

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

Index: ios/chrome/browser/ui/omnibox/BUILD.gn
diff --git a/ios/chrome/browser/ui/omnibox/BUILD.gn b/ios/chrome/browser/ui/omnibox/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..bf425416a3b2b9db74d8f2402fd176687c775d19
--- /dev/null
+++ b/ios/chrome/browser/ui/omnibox/BUILD.gn
@@ -0,0 +1,18 @@
+# Copyright 2016 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.
+
+source_set("omnibox") {
+  sources = [
+    "omnibox_util.cc",
+    "omnibox_util.h",
+    "web_omnibox_edit_controller.cc",
+    "web_omnibox_edit_controller.h",
+  ]
+  deps = [
+    "//base",
+    "//components/omnibox/browser",
+    "//components/security_state",
+    "//ios/chrome/app/theme",
+  ]
+}