1 files changed, 59 insertions, 0 deletions
diff --git a/chromium/mojo/bindings/js/support.cc b/chromium/mojo/bindings/js/support.cc
new file mode 100644
index 00000000000..dc97865cca7
--- /dev/null
+++ b/chromium/mojo/bindings/js/support.cc
@@ -0,0 +1,59 @@
+// 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.
+
+#include "mojo/bindings/js/support.h"
+
+#include "base/bind.h"
+#include "gin/arguments.h"
+#include "gin/converter.h"
+#include "gin/function_template.h"
+#include "gin/object_template_builder.h"
+#include "gin/per_isolate_data.h"
+#include "gin/public/wrapper_info.h"
+#include "gin/wrappable.h"
+#include "mojo/bindings/js/handle.h"
+#include "mojo/bindings/js/waiting_callback.h"
+#include "mojo/public/cpp/system/core.h"
+
+namespace mojo {
+namespace js {
+
+namespace {
+
+WaitingCallback* AsyncWait(const gin::Arguments& args, mojo::Handle handle,
+                           MojoHandleSignals signals,
+                           v8::Handle<v8::Function> callback) {
+  return WaitingCallback::Create(args.isolate(), callback, handle, signals)
+             .get();
+}
+
+void CancelWait(WaitingCallback* waiting_callback) {
+  waiting_callback->Cancel();
+}
+
+gin::WrapperInfo g_wrapper_info = { gin::kEmbedderNativeGin };
+
+}  // namespace
+
+const char Support::kModuleName[] = "mojo/public/js/bindings/support";
+
+v8::Local<v8::Value> Support::GetModule(v8::Isolate* isolate) {
+  gin::PerIsolateData* data = gin::PerIsolateData::From(isolate);
+  v8::Local<v8::ObjectTemplate> templ = data->GetObjectTemplate(
+      &g_wrapper_info);
+
+  if (templ.IsEmpty()) {
+    templ = gin::ObjectTemplateBuilder(isolate)
+                .SetMethod("asyncWait", AsyncWait)
+                .SetMethod("cancelWait", CancelWait)
+                .Build();
+
+    data->SetObjectTemplate(&g_wrapper_info, templ);
+  }
+
+  return templ->NewInstance();
+}
+
+}  // namespace js
+}  // namespace mojo