[ios] Adds a LocationBarController interface.

ios/chrome/browser/ui/omnibox/web_omnibox_edit_controller.cc

Index: ios/chrome/browser/ui/omnibox/web_omnibox_edit_controller.cc
diff --git a/ios/chrome/browser/ui/omnibox/web_omnibox_edit_controller.cc b/ios/chrome/browser/ui/omnibox/web_omnibox_edit_controller.cc
deleted file mode 100644
index 76a3dc5673e539f2ffa0e185cd64386206db58b5..0000000000000000000000000000000000000000
--- a/ios/chrome/browser/ui/omnibox/web_omnibox_edit_controller.cc
+++ /dev/null
@@ -1,9 +0,0 @@
-// Copyright 2015 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.
-
-#include "ios/chrome/browser/ui/omnibox/web_omnibox_edit_controller.h"
-
-WebOmniboxEditController::WebOmniboxEditController() {}
-
-WebOmniboxEditController::~WebOmniboxEditController() {}