Index: chrome/browser/background/background_mode_optimizer.h |
diff --git a/chrome/browser/background/background_mode_optimizer.h b/chrome/browser/background/background_mode_optimizer.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..bc41642d4a76599e18a6ebd127c566a9b656d507 |
--- /dev/null |
+++ b/chrome/browser/background/background_mode_optimizer.h |
@@ -0,0 +1,37 @@ |
+// 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 CHROME_BROWSER_BACKGROUND_BACKGROUND_MODE_OPTIMIZER_H_ |
+#define CHROME_BROWSER_BACKGROUND_BACKGROUND_MODE_OPTIMIZER_H_ |
+ |
+#include <memory> |
+ |
+#include "base/macros.h" |
+#include "chrome/browser/lifetime/keep_alive_state_observer.h" |
+ |
+class Browser; |
+ |
+// BackgroundModeOptimizer is responsible for applying some optimizations to |
+// save resources (memory) when Chrome runs in background-only mode. |
+// It tries to restart the browser to release accumulated memory when it |
+// is considered non distruptive. |
+class BackgroundModeOptimizer : public KeepAliveStateObserver { |
+ public: |
+ // Creates a new BackgroundModeOptimizer. Can return null if optimizations |
+ // are not supported. |
+ static std::unique_ptr<BackgroundModeOptimizer> Create(); |
sky
2016/05/18 19:23:06
nit: constructor/destructor before other methods.
dgn
2016/06/20 17:45:18
Done.
|
+ ~BackgroundModeOptimizer() override; |
+ |
+ // KeepAliveStateObserver implementation |
+ void OnKeepAliveStateChanged(bool is_keeping_alive) override; |
+ void OnKeepAliveRestartStateChanged(bool can_restart) override; |
+ |
+ private: |
+ BackgroundModeOptimizer(); |
+ void TryBrowserRestart(); |
sky
2016/05/18 19:23:06
nit: newline between 31/32 and a description for T
dgn
2016/06/20 17:45:18
Done.
|
+ |
+ DISALLOW_COPY_AND_ASSIGN(BackgroundModeOptimizer); |
+}; |
+ |
+#endif // CHROME_BROWSER_BACKGROUND_BACKGROUND_MODE_OPTIMIZER_H_ |