Index: content/browser/memory/swap_metrics_observer_linux.h |
diff --git a/content/browser/memory/swap_metrics_observer_linux.h b/content/browser/memory/swap_metrics_observer_linux.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..49c489c376f81142bc69c615ef21f7c29fdecf97 |
--- /dev/null |
+++ b/content/browser/memory/swap_metrics_observer_linux.h |
@@ -0,0 +1,27 @@ |
+// Copyright 2017 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 CONTENT_BROWSER_MEMORY_SWAP_METRICS_OBSERVER_LINUX_H_ |
+#define CONTENT_BROWSER_MEMORY_SWAP_METRICS_OBSERVER_LINUX_H_ |
+ |
+#include "content/browser/memory/swap_metrics_observer.h" |
+ |
+namespace content { |
+ |
+class SwapMetricsObserverLinux : public SwapMetricsObserver { |
+ public: |
+ SwapMetricsObserverLinux(); |
+ ~SwapMetricsObserverLinux() override; |
+ |
+ protected: |
+ void UpdateMetricsInternal(base::TimeDelta interval) override; |
+ |
+ private: |
+ uint64_t last_pswpin_ = 0; |
+ uint64_t last_pswpout_ = 0; |
+}; |
+ |
+} // namespace content |
+ |
+#endif // CONTENT_BROWSER_MEMORY_SWAP_METRICS_OBSERVER_LINUX_H_ |