[ios] Adds LocationBarCoordinator.

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

+# Copyright 2017 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 = [
+    "location_bar_coordinator.h",
+    "location_bar_coordinator.mm",
+    "location_bar_mediator.h",
+    "location_bar_mediator.mm",
+  ]
+  deps = [
+    ":omnibox_ui",
+    "//base",
+    "//components/toolbar",
+    "//ios/chrome/browser/ssl",
+    "//ios/chrome/browser/ui/omnibox:omnibox_internal",
+    "//ios/chrome/browser/ui/toolbar",
+    "//ios/clean/chrome/browser",
+    "//ios/shared/chrome/browser/tabs",
+    "//ios/shared/chrome/browser/ui/browser_list",
+    "//ios/shared/chrome/browser/ui/coordinators",
+    "//ios/shared/chrome/browser/ui/omnibox",
+    "//ios/web",
+  ]
+  configs += [ "//build/config/compiler:enable_arc" ]
+}
+
+source_set("omnibox_ui") {
+  sources = [
+    "location_bar_view_controller.h",
+    "location_bar_view_controller.mm",
+  ]
+  deps = [
+    "//ios/chrome/browser/ui/omnibox:omnibox_internal",
+  ]
+  configs += [ "//build/config/compiler:enable_arc" ]
+}
+
+source_set("unit_tests") {
+  testonly = true
+  sources = [
+    "location_bar_coordinator_unittest.mm",
+    "location_bar_mediator_unittest.mm",
+  ]
+
+  deps = [
+    ":omnibox",
+    "//testing/gtest",
+  ]
+  configs += [ "//build/config/compiler:enable_arc" ]
+}