Rename the PolicyManager to UpdateManager.
This change renames the PolicyManager class, directory, tests, etc,
to avoid confusion with libpolicy and its classes.
BUG=chromium:373551
TEST=emerged on link.
CQ-DEPEND=CL:I43081673c7ba409f02273197da7915537bde39c6
Change-Id: Iffa76caa3b95ecbbdba87ab01006d1d8ce35a27f
Reviewed-on: https://chromium-review.googlesource.com/201876
Tested-by: Alex Deymo <deymo@chromium.org>
Reviewed-by: David Zeuthen <zeuthen@chromium.org>
Commit-Queue: Alex Deymo <deymo@chromium.org>
diff --git a/update_manager/event_loop.h b/update_manager/event_loop.h
new file mode 100644
index 0000000..a24e0b7
--- /dev/null
+++ b/update_manager/event_loop.h
@@ -0,0 +1,37 @@
+// Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// TODO(deymo): These functions interact with the glib's main loop. This should
+// be replaced by the libbase main loop once the process is migrated to that
+// main loop.
+
+#ifndef CHROMEOS_PLATFORM_UPDATE_ENGINE_UPDATE_MANAGER_EVENT_LOOP_H_
+#define CHROMEOS_PLATFORM_UPDATE_ENGINE_UPDATE_MANAGER_EVENT_LOOP_H_
+
+#include <glib.h>
+
+#include <base/callback.h>
+#include <base/time/time.h>
+
+namespace chromeos_update_manager {
+
+typedef guint EventId;
+
+// A null EventId doesn't idenify any valid event.
+static constexpr EventId kEventIdNull = 0;
+
+// Schedules the passed |callback| to run from the GLib's main loop after a
+// timeout if it is given.
+EventId RunFromMainLoop(const base::Closure& callback);
+EventId RunFromMainLoopAfterTimeout(const base::Closure& callback,
+ base::TimeDelta timeout);
+
+// Removes the pending call |event| from the main loop. The value passed is the
+// one returned by the functions RunFromMainLoop*() when the call was scheduled.
+// Returns whether the event was found and removed.
+bool CancelMainLoopEvent(EventId event);
+
+} // namespace chromeos_update_manager
+
+#endif // CHROMEOS_PLATFORM_UPDATE_ENGINE_UPDATE_MANAGER_EVENT_LOOP_H_