Remove mojo/shell and (most) service implementations

mojo/services/test_service/test_request_tracker_client_impl.h

-// 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_REQUEST_TRACKER_CLIENT_IMPL_H_
-#define MOJO_SERVICES_TEST_SERVICE_TEST_REQUEST_TRACKER_CLIENT_IMPL_H_
-
-#include "mojo/public/cpp/system/macros.h"
-#include "mojo/services/test_service/test_request_tracker.mojom.h"
-
-namespace mojo {
-namespace test {
-
-class TestRequestTrackerClientImpl : public TestRequestTrackerClient {
- public:
-  TestRequestTrackerClientImpl(
-      TestRequestTrackerPtr tracker,
-      const std::string& service_name,
-      const mojo::Callback<void()>& tracking_connected_callback);
-  ~TestRequestTrackerClientImpl() override;
-
-  // Call whenever an event happens that you want to be recorded.
-  void RecordNewRequest();
-
-  // TestRequestTrackerClient impl.
-  void SetIdAndReturnName(
-      uint64_t id,
-      const mojo::Callback<void(mojo::String)>& callback) override;
-
- private:
-  void SendStats();
-  uint64_t id_;
-  uint64_t requests_since_upload_;
-  const std::string service_name_;
-  TestRequestTrackerPtr tracker_;
-  mojo::Callback<void()> tracking_connected_callback_;
-};
-
-}  // namespace test
-}  // namespace mojo
-
-#endif  // MOJO_SERVICES_TEST_SERVICE_TEST_REQUEST_TRACKER_CLIENT_IMPL_H_