mojo: add some end-to-end shell tests and a new test sample app

mojo/services/test_service/test_time_service_impl.h

Index: mojo/services/test_service/test_time_service_impl.h
diff --git a/mojo/services/test_service/test_time_service_impl.h b/mojo/services/test_service/test_time_service_impl.h
new file mode 100644
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+++ b/mojo/services/test_service/test_time_service_impl.h
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+// 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_SERVICES_TEST_SERVICE_TEST_TIME_SERVICE_IMPL_H_
+#define MOJO_SERVICES_TEST_SERVICE_TEST_TIME_SERVICE_IMPL_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "mojo/public/cpp/system/macros.h"
+#include "mojo/services/test_service/test_service.mojom.h"
+#include "mojo/services/test_service/toy_monitoring_service.mojom.h"
+
+namespace mojo {
+
+class Application;
+
+namespace test {
+
+class MonitoringUploader;
+
+class TestTimeServiceImpl : public InterfaceImpl<TestTimeService> {
+ public:
+  TestTimeServiceImpl(ApplicationConnection* application);
+  virtual ~TestTimeServiceImpl();
+
+  // |TestTimeService| methods:
+  virtual void GetPartyTime(
+      const mojo::Callback<void(int64_t time_usec)>& callback) MOJO_OVERRIDE;
+  virtual void StartMonitoring(const mojo::Callback<void()>& callback)
+      MOJO_OVERRIDE;
+
+ private:
+  ApplicationConnection* application_;
+  scoped_ptr<MonitoringUploader> monitoring_;
+  MOJO_DISALLOW_COPY_AND_ASSIGN(TestTimeServiceImpl);
+};
+
+}  // namespace test
+}  // namespace mojo
+
+#endif  // MOJO_SERVICES_TEST_SERVICE_TEST_TIME_SERVICE_IMPL_H_