Eliminate //chrome dependencies from MetricsServicesManager

components/metrics/test_metrics_service_client.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 COMPONENTS_METRICS_TEST_METRICS_SERVICE_CLIENT_H_
 #define COMPONENTS_METRICS_TEST_METRICS_SERVICE_CLIENT_H_
 
 #include <string>
 
 #include "components/metrics/metrics_service_client.h"
 
 namespace metrics {
 
 // A simple concrete implementation of the MetricsServiceClient interface, for
 // use in tests.
 class TestMetricsServiceClient : public MetricsServiceClient {
  public:
   static const char kBrandForTesting[];
 
   TestMetricsServiceClient();
   ~TestMetricsServiceClient() override;
 
   // MetricsServiceClient:
+  metrics::MetricsService* GetMetricsService() override;
   void SetMetricsClientId(const std::string& client_id) override;
   void OnRecordingDisabled() override;
   bool IsOffTheRecordSessionActive() override;
   int32_t GetProduct() override;
   std::string GetApplicationLocale() override;
   bool GetBrand(std::string* brand_code) override;
   SystemProfileProto::Channel GetChannel() override;
   std::string GetVersionString() override;
   void OnLogUploadComplete() override;
   void InitializeSystemProfileMetrics(
@@ skipping 11 matching lines @@
   std::string client_id_;
   std::string version_string_;
   int32_t product_;
 
   DISALLOW_COPY_AND_ASSIGN(TestMetricsServiceClient);
 };
 
 }  // namespace metrics
 
 #endif  // COMPONENTS_METRICS_TEST_METRICS_SERVICE_CLIENT_H_