[AppRemoting] Break out AppRemoting shared module (re-land).

remoting/webapp/BUILD.gn

 # Copyright 2014 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.
 
 # Keep in sync with targets in remoting/remoting_client.gypi.
 
 import("//build/config/features.gni")
 import("//remoting/webapp/build_template.gni")
 
 group("webapp") {
   deps = [
     ":webapp_v1",
     ":ar_sample_app",
+    ":ar_shared_module",
   ]
 
+  if (enable_internal_app_remoting_targets) {
+    deps += [ "//remoting/internal:ar_internal_apps" ]
+  }
+
   if (enable_nacl) {
     deps += [ ":webapp_v2" ]
   }
 }
 
 desktop_remoting_webapp("webapp_v1") {
   webapp_type = "v1"
   output_dir = "remoting/remoting-webapp"
   zip_path = "remoting/remoting-webapp.zip"
   extra_files = []
 }
 
 desktop_remoting_webapp("webapp_v2") {
   webapp_type = "v2_pnacl"
   output_dir = "remoting/remoting-webapp.v2"
   zip_path = "remoting/remoting-webapp.v2.zip"
   extra_files = [
     "crd/remoting_client_pnacl.nmf.jinja2",
     # TODO(garykac): Get correct path to this.
     #"<(PRODUCT_DIR)/remoting_client_plugin_newlib.pexe",
   ]
 }
 
 app_remoting_webapp("ar_sample_app") {
   app_key = "Sample_App"
   app_id = "ljacajndfccfgnfohlgkdphmbnpkjflk"
   app_client_id = "sample_client_id"
-  app_name = "App Remoting Client"
+  app_vendor = ""
+  app_name = "sample_app"
+  app_fullname = "App Remoting Client"
   app_description = "App Remoting client"
   app_capabilities = [ "GOOGLE_DRIVE" ]
   manifest_key = "remotingdevbuild"
 }
+
+app_remoting_shared_module("ar_shared_module") {
+  app_client_id = "sample_client_id"
+  app_name = "shared_module"
+  app_fullname = "AppRemoting Shared Module"
+  app_description = "AppRemoting Shared Module"
+  manifest_key = "remotingdevbuild"
+}