Build liblouis_nacl using gyp.

third_party/liblouis/nacl_wrapper/liblouis_module.cc

+// Copyright 2013 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may not
+// use this file except in compliance with the License. You may obtain a copy of
+// the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+// License for the specific language governing permissions and limitations under
+// the License.
+
+#include "liblouis_module.h"
+
+#include <cstddef>
+
+#include "liblouis_instance.h"
+
+namespace liblouis_nacl {
+
+LibLouisModule::LibLouisModule() : pp::Module() {}
+
+LibLouisModule::~LibLouisModule() {}
+
+pp::Instance* LibLouisModule::CreateInstance(PP_Instance instance) {
+  static bool created = false;
+  if (!created) {
+    created = true;
+    return new LibLouisInstance(instance);
+  }
+  return NULL;
+}
+
+}  // namespace liblouis_nacl
+
+namespace pp {
+
+Module* CreateModule() {
+  static bool created = false;
+  if (!created) {
+    created = true;
+    return new liblouis_nacl::LibLouisModule();
+  }
+  return NULL;
+}
+
+}  // namespace pp