Use CONTINUE_ON_SHUTDOWN for IncidentReportingService tasks.

chrome/browser/browser_hangs_experiment.h

Index: chrome/browser/browser_hangs_experiment.h
diff --git a/chrome/browser/browser_hangs_experiment.h b/chrome/browser/browser_hangs_experiment.h
new file mode 100644
index 0000000000000000000000000000000000000000..3c12379427cef6fbc1e418ed266de63e5d91d644
--- /dev/null
+++ b/chrome/browser/browser_hangs_experiment.h
@@ -0,0 +1,15 @@
+// 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_BROWSER_HANGS_EXPERIMENT_H_
+#define CHROME_BROWSER_BROWSER_HANGS_EXPERIMENT_H_
+
+// In order to demonstrate the impact of fixing hang bugs in relation to the

[grt (UTC plus 2), 2016/04/25 13:37:53]

nit:

Fixes for browser hang bugs are deployed in a field trial in order to measure
their impact.

[Patrick Monette, 2016/04/25 18:14:27]

Done.

+// number of unclean shutdown, those fixes are going to be behind a finch
+// experiment.

[manzagop (departed), 2016/04/25 13:37:39]

Reference the bug number?

[Patrick Monette, 2016/04/25 18:14:27]

Done.

+
+// Returns true if the experimentation is enabled.
+bool IsBrowserHangsExperimentEnabled();

[manzagop (departed), 2016/04/25 13:37:39]

Wdyt of IsBrowserHangFixesExperimentEnabled to avoid misinterpretation? Please
push back if you think it's overboard.

[Patrick Monette, 2016/04/25 18:14:27]

Done.

+
+#endif  // CHROME_BROWSER_BROWSER_HANGS_EXPERIMENT_H_