Always check if providers have initial stability metrics.

components/metrics/test_metrics_provider.h

 // Copyright 2015 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_PROVIDER_H_
 #define COMPONENTS_METRICS_TEST_METRICS_PROVIDER_H_
 
 #include "base/macros.h"
 #include "components/metrics/metrics_provider.h"
 
 namespace metrics {
 
 // A simple implementation of MetricsProvider that checks that its providing
 // functions are called, for use in tests.
 class TestMetricsProvider : public MetricsProvider {
  public:
   TestMetricsProvider()
       : init_called_(false),
         on_recording_disabled_called_(false),
         has_initial_stability_metrics_(false),
+        has_initial_stability_metrics_called_(false),
         provide_initial_stability_metrics_called_(false),
         provide_stability_metrics_called_(false) {}
 
   // MetricsProvider:
   void Init() override;
   void OnRecordingDisabled() override;
   bool HasInitialStabilityMetrics() override;
   void ProvideInitialStabilityMetrics(
       SystemProfileProto* system_profile_proto) override;
   void ProvideStabilityMetrics(
       SystemProfileProto* system_profile_proto) override;
 
   bool init_called() { return init_called_; }
   bool on_recording_disabled_called() { return on_recording_disabled_called_; }
+  bool has_initial_stability_metrics_called() {
+    return has_initial_stability_metrics_called_;
+  }
   void set_has_initial_stability_metrics(bool has_initial_stability_metrics) {
     has_initial_stability_metrics_ = has_initial_stability_metrics;
   }
   bool provide_initial_stability_metrics_called() const {
     return provide_initial_stability_metrics_called_;
   }
   bool provide_stability_metrics_called() const {
     return provide_stability_metrics_called_;
   }
 
  private:
   bool init_called_;
   bool on_recording_disabled_called_;
   bool has_initial_stability_metrics_;
+  bool has_initial_stability_metrics_called_;
   bool provide_initial_stability_metrics_called_;
   bool provide_stability_metrics_called_;
 
   DISALLOW_COPY_AND_ASSIGN(TestMetricsProvider);
 };
 
 }  // namespace metrics
 
 #endif  // COMPONENTS_METRICS_TEST_METRICS_PROVIDER_H_