Adding the iOS app and integration example with GlRenderer.

remoting/client/ios/host_preferences_chromium.mm

Index: remoting/client/ios/host_preferences_chromium.mm
diff --git a/remoting/client/ios/host_preferences_chromium.mm b/remoting/client/ios/host_preferences_chromium.mm
new file mode 100644
index 0000000000000000000000000000000000000000..fcb6f2dab8c6f0b82eb7151b1593059e22fc5a08
--- /dev/null
+++ b/remoting/client/ios/host_preferences_chromium.mm
@@ -0,0 +1,19 @@
+// 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/client/ios/host_preferences.h"
+
+#import "base/logging.h"
+
+namespace remoting {
+namespace ios {
+
+NSError* writeHostPreferencesToKeychain(NSData* data) {
+  return nil;
+}
+
+NSData* readHostPreferencesFromKeychain() {
+  return nil;
+}
+}
+}