Add a Javascript wrapper around ServiceRegistry and expose it to WebUI.

content/public/renderer/service_registry_js.h

Index: content/public/renderer/service_registry_js.h
diff --git a/content/public/renderer/service_registry_js.h b/content/public/renderer/service_registry_js.h
new file mode 100644
index 0000000000000000000000000000000000000000..69d5b4606ae796a9953d9c19264844ad5de9d5e4
--- /dev/null
+++ b/content/public/renderer/service_registry_js.h
@@ -0,0 +1,25 @@
+// 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.
+
+#ifndef CONTENT_PUBLIC_RENDERER_SERVICE_REGISTRY_JS_H_
+#define CONTENT_PUBLIC_RENDERER_SERVICE_REGISTRY_JS_H_
+
+#include "content/common/content_export.h"
+#include "v8/include/v8.h"
+
+namespace content {
+
+class ServiceRegistry;
+
+CONTENT_EXPORT extern const char kServiceRegistryModuleName[];
+
+// Returns a JS wrapper around ServiceRegistry that allows connecting to remote
+// services.
+CONTENT_EXPORT v8::Handle<v8::Value> WrapServiceRegistry(

[darin (slow to review), 2014/06/28 21:10:38]

Why does this file need to be in content/public/renderer/? It looks like this
method and the constant only used from within content/renderer/.

Perhaps you do not need to expose the GetWeakPtr() method as well if we can
assume that ServiceRegistry's implementation is ServiceRegistryImpl?

[Sam McNally, 2014/06/30 01:26:14]

Done.

+    v8::Isolate* isolate,
+    ServiceRegistry* service_registry);
+
+}  // namespace content
+
+#endif  // CONTENT_PUBLIC_RENDERER_SERVICE_REGISTRY_JS_H_