[CRD iOS] Implementing save to keychain and user defaults for login info. Refactor remoting service.

remoting/client/ios/BUILD.gn

 # 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.
 
 import("//remoting/build/config/remoting_build.gni")
 
 group("all") {
   testonly = true
 
   deps = [
@@ skipping 13 matching lines @@
 source_set("ios_core") {
   sources = [
     "client_gestures.h",
     "client_gestures.mm",
     "host_preferences.h",
     "host_preferences.mm",
     "host_preferences_persistence.h",
     "key_input.h",
     "key_input.mm",
     "key_map_us.h",
+    "keychain_wrapper.h",
+    "keychain_wrapper.mm",
   ]
 
   if (!is_chrome_branded) {
     sources += [ "host_preferences_persistence_chromium.mm" ]
   } else {
     # TODO(nicholss): Until we have a private implementation of this, stub it
     # with the chromium version. We still want the logic of is_chrome_branded
     # but to get the release builds building we will just reuse the file.
     sources += [ "host_preferences_persistence_chromium.mm" ]
   }
@@ skipping 34 matching lines @@
 
   deps = [
     ":ios_core",
     "//testing/gtest",
   ]
 
   configs += [ "//build/config/compiler:enable_arc" ]
 
   data = []
 }