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

chrome/renderer/leak_detector/leak_detector_remote_client.cc

-// 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.
-
-#include "chrome/renderer/leak_detector/leak_detector_remote_client.h"
-
-#include "base/bind.h"
-#include "base/threading/thread_task_runner_handle.h"
-#include "components/metrics/leak_detector/protobuf_to_mojo_converter.h"
-#include "components/metrics/proto/memory_leak_report.pb.h"
-#include "content/public/renderer/render_thread.h"
-#include "mojo/public/cpp/bindings/interface_request.h"
-#include "services/shell/public/cpp/interface_provider.h"
-
-LeakDetectorRemoteClient::LeakDetectorRemoteClient() {
-  // Connect to Mojo service.
-  content::RenderThread::Get()->GetRemoteInterfaces()->GetInterface(
-      &remote_service_);
-
-  // It is safe to use "base::Unretained(this)" because |this| owns
-  // |remote_service_|. See example at:
-  // https://www.chromium.org/developers/design-documents/mojo/validation
-  remote_service_->GetParams(base::Bind(
-      &LeakDetectorRemoteClient::OnParamsReceived, base::Unretained(this)));
-}
-
-LeakDetectorRemoteClient::~LeakDetectorRemoteClient() {
-  metrics::LeakDetector::GetInstance()->RemoveObserver(this);
-}
-
-void LeakDetectorRemoteClient::OnParamsReceived(
-    mojo::StructPtr<metrics::mojom::LeakDetectorParams> result) {
-  metrics::MemoryLeakReportProto::Params params;
-  metrics::leak_detector::protobuf_to_mojo_converter::MojoToParams(*result,
-                                                                   &params);
-
-  metrics::LeakDetector* detector = metrics::LeakDetector::GetInstance();
-  detector->AddObserver(this);
-  detector->Init(params, base::ThreadTaskRunnerHandle::Get());
-}
-
-void LeakDetectorRemoteClient::OnLeaksFound(
-    const std::vector<metrics::MemoryLeakReportProto>& reports) {
-  std::vector<mojo::StructPtr<metrics::mojom::MemoryLeakReport>> result;
-
-  for (const metrics::MemoryLeakReportProto& report : reports) {
-    metrics::mojom::MemoryLeakReportPtr mojo_report =
-        metrics::mojom::MemoryLeakReport::New();
-    metrics::leak_detector::protobuf_to_mojo_converter::ReportToMojo(
-        report, mojo_report.get());
-    result.push_back(std::move(mojo_report));
-  }
-
-  remote_service_->SendLeakReports(std::move(result));
-}