Add remoting and PPAPI tests to GN build

remoting/host/native_messaging/BUILD.gn

Index: remoting/host/native_messaging/BUILD.gn
diff --git a/remoting/host/native_messaging/BUILD.gn b/remoting/host/native_messaging/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..afefee11de6661543735a9f18de4e3c96c0ae163
--- /dev/null
+++ b/remoting/host/native_messaging/BUILD.gn
@@ -0,0 +1,19 @@
+# Copyright 2015 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/remoting_srcs.gni")
+
+# GYP version: remoting/remoting_host.gypi:remoting_native_messaging_base
+source_set("native_messaging") {
+  sources = rebase_path(
+          remoting_host_srcs_gypi_values.remoting_host_native_messaging_sources,
+          ".",
+          "//remoting")
+
+  configs += [ "//build/config/compiler:wexit_time_destructors" ]
+
+  deps = [
+    "//base",
+  ]
+}