Tether: Break helper TimerFactory out of BleConnectionManager and HostScanCache.

chromeos/components/tether/timer_factory.h

Index: chromeos/components/tether/timer_factory.h
diff --git a/chromeos/components/tether/timer_factory.h b/chromeos/components/tether/timer_factory.h
new file mode 100644
index 0000000000000000000000000000000000000000..561f3f5360b60c8a9c5dffd6a9c1d313aa9a0f5c
--- /dev/null
+++ b/chromeos/components/tether/timer_factory.h
@@ -0,0 +1,29 @@
+// 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 CHROMEOS_COMPONENTS_TETHER_TIMER_FACTORY_H_
+#define CHROMEOS_COMPONENTS_TETHER_TIMER_FACTORY_H_
+
+#include <memory>
+
+#include "base/macros.h"
+#include "base/memory/ptr_util.h"
+#include "base/timer/timer.h"
+
+namespace chromeos {
+
+namespace tether {
+
+class TimerFactory {

[khorimoto, 2017/05/31 18:13:28]

Add description, noting that this is used for dependency injection to inject
fake timers into tests.

[Ryan Hansberry, 2017/05/31 18:24:54]

Done.

+ public:
+  virtual ~TimerFactory();
+
+  virtual std::unique_ptr<base::Timer> CreateOneShotTimer();
+};
+
+}  // namespace tether
+
+}  // namespace chromeos
+
+#endif  // CHROMEOS_COMPONENTS_TETHER_TIMER_FACTORY_H_