Splitting the concept of UMA consent, and should UMA report.

components/metrics/test_enabled_state_provider.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 COMPONENTS_METRICS_TEST_ENABLED_STATE_PROVIDER_H_
+#define COMPONENTS_METRICS_TEST_ENABLED_STATE_PROVIDER_H_
+
+#include "base/macros.h"
+#include "components/metrics/enabled_state_provider.h"
+
+namespace metrics {
+
+// A simple concrete implementation of the EnabledStateProvider interface, for
+// use in tests.
+class TestEnabledStateProvider : public EnabledStateProvider {
+ public:
+  TestEnabledStateProvider(bool consent, bool enabled)
+      : consent_(consent), enabled_(enabled) {}
+  ~TestEnabledStateProvider() override {}
+
+  // EnabledStateProvider
+  bool IsConsentGiven() override;
+  bool IsReportingEnabled() override;
+
+  void set_consent(bool consent) { consent_ = consent; }
+  void set_enabled(bool enabled) { enabled_ = enabled; }
+
+ private:
+  bool consent_;
+  bool enabled_;
+
+  DISALLOW_COPY_AND_ASSIGN(TestEnabledStateProvider);
+};
+
+}  // namespace metrics
+
+#endif  // COMPONENTS_METRICS_TEST_ENABLED_STATE_PROVIDER_H_