Disable authentication in application_manager for FNL

FNL has not supported authetication, yet.

Change-Id: Ica290d45aa60d2a504e831f781a0f8dab4bc6b85

BUG=
R=viettrungluu@chromium.org

Review URL: https://codereview.chromium.org/1490963002 .

shell/application_manager/BUILD.gn

diff --git a/shell/application_manager/BUILD.gn b/shell/application_manager/BUILD.gn
index dac121c..88f681f 100644
--- a/shell/application_manager/BUILD.gn
+++ b/shell/application_manager/BUILD.gn
@@ -29,6 +29,11 @@
     "shell_impl.h",
   ]
 
+  # TODO(toshik): FNL hasn't supported authentication, yet
+  if (is_fnl) {
+    defines = [ "NO_AUTHENTICATION" ]
+  }
+
   public_deps = [
     "//base",
     "//mojo/converters/url",

shell/application_manager/application_manager.cc

diff --git a/shell/application_manager/application_manager.cc b/shell/application_manager/application_manager.cc
index c87f511..77d657d 100644
--- a/shell/application_manager/application_manager.cc
+++ b/shell/application_manager/application_manager.cc
@@ -215,6 +215,8 @@
                "/authenticating_url_loader_interceptor.mojo", true)) {
     network_service = network_service_.get();
   } else if (!initialized_authentication_interceptor_) {
+#ifndef NO_AUTHENTICATION
+    // TODO(toshik): FNL hasn't supported authentication, yet
     authentication::AuthenticationServicePtr authentication_service;
     ConnectToService(GURL("mojo:authentication"), &authentication_service);
     mojo::AuthenticatingURLLoaderInterceptorMetaFactoryPtr
@@ -226,6 +228,7 @@
         GetProxy(&interceptor_factory), authentication_service.Pass());
     authenticating_network_service_->RegisterURLLoaderInterceptor(
         interceptor_factory.Pass());
+#endif
     initialized_authentication_interceptor_ = true;
   }