Remove all blimp engine code

blimp/engine/app/blimp_metrics_service_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 BLIMP_ENGINE_APP_BLIMP_METRICS_SERVICE_CLIENT_H_
-#define BLIMP_ENGINE_APP_BLIMP_METRICS_SERVICE_CLIENT_H_
-
-#include <stdint.h>
-
-#include <string>
-
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "components/metrics/enabled_state_provider.h"
-#include "components/metrics/metrics_service_client.h"
-
-class PrefService;
-
-namespace metrics {
-class MetricsService;
-class MetricsStateManager;
-class SystemProfileProto;
-}
-
-namespace net {
-class URLRequestContextGetter;
-}  // namespace net
-
-namespace blimp {
-namespace engine {
-
-// BlimpMetricsServiceClient provides an implementation of MetricsServiceClient
-// tailored for the Blimp engine to support the upload of metrics information
-// from the engine.
-// Metrics are always turned on.
-class BlimpMetricsServiceClient : public metrics::MetricsServiceClient,
-                                  public metrics::EnabledStateProvider {
- public:
-  // PrefService ownership is retained by the caller.
-  // The request_context_getter is a system request context.
-  // Both must remain valid for client lifetime.
-  BlimpMetricsServiceClient(
-      PrefService* pref_service,
-      scoped_refptr<net::URLRequestContextGetter> request_context_getter);
-  ~BlimpMetricsServiceClient() override;
-
-  // metrics::MetricsServiceClient implementation.
-  metrics::MetricsService* GetMetricsService() override;
-  void SetMetricsClientId(const std::string& client_id) override;
-  int32_t GetProduct() override;
-  std::string GetApplicationLocale() override;
-  bool GetBrand(std::string* brand_code) override;
-  metrics::SystemProfileProto::Channel GetChannel() override;
-  std::string GetVersionString() override;
-  void InitializeSystemProfileMetrics(
-      const base::Closure& done_callback) override;
-  void CollectFinalMetricsForLog(const base::Closure& done_callback) override;
-  std::unique_ptr<metrics::MetricsLogUploader> CreateUploader(
-      const std::string& server_url,
-      const std::string& mime_type,
-      const base::Callback<void(int)>& on_upload_complete) override;
-  base::TimeDelta GetStandardUploadInterval() override;
-  metrics::EnableMetricsDefault GetMetricsReportingDefaultState() override;
-
-  // metrics::EnabledStateProvider implementation.
-  // Returns if consent is given for the MetricsService to record metrics
-  // information for the client. Always true.
-  bool IsConsentGiven() override;
-
- private:
-  // Used by NetMetricsLogUploader to create log-upload requests.
-  scoped_refptr<net::URLRequestContextGetter> request_context_getter_;
-
-  std::unique_ptr<metrics::MetricsStateManager> metrics_state_manager_;
-  std::unique_ptr<metrics::MetricsService> metrics_service_;
-
-  DISALLOW_COPY_AND_ASSIGN(BlimpMetricsServiceClient);
-};
-
-}  // namespace engine
-}  // namespace blimp
-
-#endif  // BLIMP_ENGINE_APP_BLIMP_METRICS_SERVICE_CLIENT_H_