Fix release builds for iOS. Add stub chromium impl for preferences.

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 21 matching lines @@
     "host_preferences_persistence.h",
     "key_input.h",
     "key_input.mm",
     "key_map_us.h",
     "utility.h",
     "utility.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" ]
   }
 
   public_deps = [
     "//remoting/client/ios/domain",
     "//remoting/client/ios/facade",
     "//third_party/webrtc/base:rtc_base",
     "//third_party/webrtc/modules/desktop_capture:primitives",
   ]
 
   deps = [
@@ skipping 24 matching lines @@
 
   deps = [
     ":ios_core",
     "//testing/gtest",
   ]
 
   configs += [ "//build/config/compiler:enable_arc" ]
 
   data = []
 }