[CRD iOS] Finish up the host list UI

remoting/ios/app/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.
 
 import("//build/config/chrome_build.gni")
 import("//build/config/ios/rules.gni")
 import("//build/mac/tweak_info_plist.gni")
 import("//build/util/process_version.gni")
 import("//remoting/build/config/remoting_build.gni")
 
 group("all") {
   testonly = true
 
   deps = [
     ":ios_remoting_app",
   ]
 }
 
 source_set("main") {
   sources = [
     "app_delegate.h",
     "app_delegate.mm",
     "client_connection_view_controller.h",
     "client_connection_view_controller.mm",
+    "host_collection_header_view.h",
+    "host_collection_header_view.mm",
     "host_collection_view_cell.h",
     "host_collection_view_cell.mm",
     "host_collection_view_controller.h",
     "host_collection_view_controller.mm",
     "host_view_controller.h",
     "host_view_controller.mm",
     "main.mm",
     "pin_entry_view.h",
     "pin_entry_view.mm",
     "remoting_settings_view_controller.h",
@@ skipping 65 matching lines @@
     "//remoting/ios/app/resources:remoting_icons",
     "//remoting/ios/display",
   ]
 
   bundle_deps = [ ":launchscreen_storyboard" ]
 }
 
 bundle_data_ib_file("launchscreen_storyboard") {
   source = "resources/LaunchScreen.storyboard"
 }