Metrics provider for statistical stack profiler

chrome/browser/metrics/call_stack_profile_metrics_provider.h

Index: chrome/browser/metrics/call_stack_profile_metrics_provider.h
diff --git a/chrome/browser/metrics/call_stack_profile_metrics_provider.h b/chrome/browser/metrics/call_stack_profile_metrics_provider.h
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+++ b/chrome/browser/metrics/call_stack_profile_metrics_provider.h
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+// 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 CHROME_BROWSER_METRICS_CALL_STACK_PROFILE_METRICS_PROVIDER_H_
+#define CHROME_BROWSER_METRICS_CALL_STACK_PROFILE_METRICS_PROVIDER_H_
+
+#include "components/metrics/metrics_provider.h"
+
+namespace metrics {
+class ChromeUserMetricsExtension;
+}
+
+// Performs metrics logging for the stack sampling profiler.
+class CallStackProfileMetricsProvider : public metrics::MetricsProvider {
+ public:
+  CallStackProfileMetricsProvider();
+  ~CallStackProfileMetricsProvider() override;
+
+  // metrics::MetricsProvider:
+  void ProvideGeneralMetrics(
+      metrics::ChromeUserMetricsExtension* uma_proto) override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(CallStackProfileMetricsProvider);
+};
+
+#endif  // CHROME_BROWSER_METRICS_CALL_STACK_PROFILE_METRICS_PROVIDER_H_