Add test for ServiceManager

mojo/shell/dynamic_service_loader.h

Index: mojo/shell/dynamic_service_loader.h
diff --git a/mojo/shell/dynamic_service_loader.h b/mojo/shell/dynamic_service_loader.h
new file mode 100644
index 0000000000000000000000000000000000000000..c6e2ad5bccdedd035db65d7f995850ac7588c02d
--- /dev/null
+++ b/mojo/shell/dynamic_service_loader.h
@@ -0,0 +1,46 @@
+// 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 MOJO_SHELL_DYNAMIC_SERVICE_LOADER_H_
+#define MOJO_SHELL_DYNAMIC_SERVICE_LOADER_H_
+
+#include <map>
+
+#include "base/basictypes.h"
+#include "mojo/public/system/core_cpp.h"
+#include "mojo/shell/service_manager.h"
+#include "url/gurl.h"
+
+namespace mojo {
+namespace shell {
+
+class Context;
+
+// A subclass of ServiceManager::Loader that loads a dynamic library containing
+// the implementation of the service.
+class DynamicServiceLoader : public ServiceManager::Loader {
+ public:
+  explicit DynamicServiceLoader(Context* context);
+  virtual ~DynamicServiceLoader();
+
+ private:
+  class LoadContext;
+
+  // Initiates the dynamic load. If the url is a mojo: scheme then the name
+  // specified will be modified to the platform's naming scheme. Also the
+  // value specified to the --origin command line argument will be used as the
+  // host / port.
+  virtual void Load(const GURL& url,
+                    ScopedMessagePipeHandle service_handle) MOJO_OVERRIDE;
+
+  typedef std::map<GURL, LoadContext*> LoadContextMap;
+  LoadContextMap url_to_load_context_;
+  Context* context_;
+  DISALLOW_COPY_AND_ASSIGN(DynamicServiceLoader);
+};
+
+}  // namespace shell
+}  // namespace mojo
+
+#endif  // MOJO_SHELL_DYNAMIC_SERVICE_LOADER_H_