Revert of Mojo interface/service for Leak Detector on remote process

chrome/renderer/leak_detector/leak_detector_remote_client.h

-// Copyright 2016 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 CHROME_RENDERER_LEAK_DETECTOR_LEAK_DETECTOR_REMOTE_CLIENT_H_
-#define CHROME_RENDERER_LEAK_DETECTOR_LEAK_DETECTOR_REMOTE_CLIENT_H_
-
-#include "base/macros.h"
-#include "components/metrics/leak_detector/leak_detector.h"
-#include "components/metrics/leak_detector/leak_detector.mojom.h"
-
-class LeakDetectorRemoteClient : public metrics::LeakDetector::Observer {
- public:
-  LeakDetectorRemoteClient();
-  ~LeakDetectorRemoteClient() override;
-
-  // metrics::LeakDetector::Observer:
-  void OnLeaksFound(
-      const std::vector<metrics::MemoryLeakReportProto>& reports) override;
-
- private:
-  // Callback for remote function LeakDetectorRemote::GetParams().
-  void OnParamsReceived(
-      mojo::StructPtr<metrics::mojom::LeakDetectorParams> result);
-
-  // Handle to the remote Mojo interface.
-  metrics::mojom::LeakDetectorPtr remote_service_;
-
-  DISALLOW_COPY_AND_ASSIGN(LeakDetectorRemoteClient);
-};
-
-#endif  // CHROME_RENDERER_LEAK_DETECTOR_LEAK_DETECTOR_REMOTE_CLIENT_H_