ShareDialog/FileManagerBrowserTest.Test/0 is flaky.

Flakiness dashboard: http://test-results.appspot.com/dashboards/flakiness_dashboard.html#testType=browser_tests&builder=chromium.chromiumos%3ALinux%20ChromiumOS%20Tests%20(1)

One failure log is as follows:

[ RUN      ] ShareDialog/FileManagerBrowserTest.Test/0
[9871:9871:0418/173751:4994195955:WARNING:diagnostics_writer.cc(209)] [FAIL] 014 PathUserData (Cannot obtain size for: /tmp/.org.chromium.Chromium.gNWKFV/dIEgwuE)
[9871:9871:0418/173751:4994196060:WARNING:diagnostics_writer.cc(209)] [FAIL] 013 PathLocalState (Path not found: /tmp/.org.chromium.Chromium.gNWKFV/dIEgwuE/Local State)
[9871:9871:0418/173751:4994196262:WARNING:diagnostics_writer.cc(209)] [FAIL] 019 JSONPreferences (File not found)
[9871:9871:0418/173751:4994196292:WARNING:diagnostics_writer.cc(209)] [FAIL] 019 JSONLocalState (File not found)
[9871:9871:0418/173751:4994196333:WARNING:diagnostics_writer.cc(209)] [FAIL] 002 SQLiteIntegrityWebData (File not found)
[9871:9871:0418/173751:4994196364:WARNING:diagnostics_writer.cc(209)] [FAIL] 002 SQLiteIntegrityCookie (File not found)
[9871:9871:0418/173751:4994196390:WARNING:diagnostics_writer.cc(209)] [FAIL] 002 SQLiteIntegrityHistory (File not found)
[9871:9871:0418/173751:4994198257:WARNING:diagnostics_writer.cc(209)] Finished 17 tests.
[9871:9871:0418/173751:4994198290:WARNING:diagnostics_writer.cc(209)] Finished Recovery for: Install type
[9871:9871:0418/173751:4994198310:WARNING:diagnostics_writer.cc(209)] Finished Recovery for: Chrome version test
[9871:9871:0418/173751:4994198327:WARNING:diagnostics_writer.cc(209)] Finished Recovery for: User data path
[9871:9871:0418/173751:4994198344:WARNING:diagnostics_writer.cc(209)] Finished Recovery for: Local state path
[9871:9871:0418/173751:4994198362:WARNING:diagnostics_writer.cc(209)] Finished Recovery for: App dictionaries directory path
[9871:9871:0418/173751:4994198379:WARNING:diagnostics_writer.cc(209)] Finished Recovery for: Resources path
[9871:9871:0418/173751:4994198395:WARNING:diagnostics_writer.cc(209)] Finished Recovery for: Available disk space
[9871:9871:0418/173751:4994198412:WARNING:diagnostics_writer.cc(209)] Finished Recovery for: User preferences integrity
[9871:9871:0418/173751:4994198427:WARNING:diagnostics_writer.cc(209)] Finished Recovery for: Local state integrity
[9871:9871:0418/173751:4994198445:WARNING:diagnostics_writer.cc(209)] Finished Recovery for: Bookmark file
[9871:9871:0418/173751:4994198463:WARNING:diagnostics_writer.cc(209)] Finished Recovery for: Web Data database
[9871:9871:0418/173751:4994198480:WARNING:diagnostics_writer.cc(209)] Finished Recovery for: Cookie database
[9871:9871:0418/173751:4994198497:WARNING:diagnostics_writer.cc(209)] Finished Recovery for: History database
[9871:9871:0418/173751:4994198525:WARNING:diagnostics_writer.cc(209)] Finished Recovery for: Thumbnails database
[9871:9871:0418/173751:4994198547:WARNING:diagnostics_writer.cc(209)] Finished Recovery for: Database tracker database
[9871:9871:0418/173751:4994198568:WARNING:diagnostics_writer.cc(209)] Finished Recovery for: NSS certificate database
[9871:9871:0418/173751:4994198587:WARNING:diagnostics_writer.cc(209)] Finished Recovery for: NSS Key database
[9871:9871:0418/173751:4994198600:WARNING:diagnostics_writer.cc(209)] Finished All Recovery operations.
[9871:9871:0418/173751:WARNING:audio_manager.cc(294)] Multiple instances of AudioManager detected
[9871:9871:0418/173751:WARNING:audio_manager.cc(268)] Multiple instances of AudioManager detected
Xlib:  extension "RANDR" missing on display ":9".
[9871:9871:0418/173751:INFO:lock_state_controller.cc(95)] Constructing LockStateController instance 0x81e4248afc0
[9871:9926:0418/173751:WARNING:local_extension_cache.cc(259)] Extensions will not be installed from update URLs until /tmp/.org.chromium.Chromium.gNWKFV/dIEgwuE/stub_device_local_extension_cache/.initialized exists.
[9871:9871:0418/173751:WARNING:child_account_service.cc(297)] User instance wasn't found while setting child account flag.
[9871:9929:0418/173751:WARNING:freezer_cgroup_process_manager.cc(59)] Cgroup freezer does not exist or is not writable. Unable to freeze renderer processes.
[9871:9871:0418/173751:INFO:power_button_observer.cc(37)] Creating PowerButtonObserver 0x81e42c98e70
[9871:9871:0418/173751:INFO:lock_state_controller.cc(235)] LockStateController::OnLoginStateChanged login_status_: 0, status: 2
[9871:9871:0418/173753:INFO:CONSOLE(0)] "Uncaught (in promise) PiexLoader is not enabled for chromium build.", source: undefined (0)
[9871:9871:0418/173753:INFO:CONSOLE(87)] "Cache database creating or upgrading.", source: chrome-extension://pmfjbimdmchhbnneeidfognadeopoehp/cache.js (87)
[9871:9871:0418/173753:INFO:CONSOLE(0)] "Uncaught (in promise) PiexLoader is not enabled for chromium build.", source: undefined (0)
[9871:9871:0418/173753:INFO:CONSOLE(87)] "Cache database creating or upgrading.", source: chrome-extension://pmfjbimdmchhbnneeidfognadeopoehp/cache.js (87)
[9871:9871:0418/173753:INFO:CONSOLE(579)] "Waiting for the result of openMainWindow", source: chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/background/js/test_util_base.js (579)
[9871:9871:0418/173753:INFO:CONSOLE(576)] "Received the result of openMainWindow", source: chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/background/js/test_util_base.js (576)
[9871:9871:0418/173754:INFO:CONSOLE(818)] "Requesting volume list.", source: chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/background/js/volume_manager.js (818)
[9871:9871:0418/173754:INFO:CONSOLE(820)] "Volume list fetched with: 2 items.", source: chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/background/js/volume_manager.js (820)
[9871:9871:0418/173754:INFO:CONSOLE(830)] "Initializing volume: downloads:Downloads", source: chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/background/js/volume_manager.js (830)
[9871:9871:0418/173754:INFO:CONSOLE(285)] "Requesting file system.", source: chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/background/js/volume_manager.js (285)
[9871:9871:0418/173754:INFO:CONSOLE(830)] "Initializing volume: drive:drive-user", source: chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/background/js/volume_manager.js (830)
[9871:9871:0418/173754:INFO:CONSOLE(285)] "Requesting file system.", source: chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/background/js/volume_manager.js (285)
[9871:9871:0418/173754:INFO:CONSOLE(333)] "File system obtained: downloads:Downloads", source: chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/background/js/volume_manager.js (333)
[9871:9871:0418/173754:INFO:CONSOLE(834)] "Initialized volume: downloads:Downloads", source: chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/background/js/volume_manager.js (834)
[9871:9871:0418/173754:INFO:CONSOLE(333)] "File system obtained: drive:drive-user", source: chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/background/js/volume_manager.js (333)
[9871:9871:0418/173754:INFO:CONSOLE(834)] "Initialized volume: drive:drive-user", source: chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/background/js/volume_manager.js (834)
[9871:9871:0418/173754:INFO:CONSOLE(838)] "Initialized all volumes.", source: chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/background/js/volume_manager.js (838)
[9871:9871:0418/173754:INFO:CONSOLE(0)] "/deep/ combinator is deprecated. See https://www.chromestatus.com/features/6750456638341120 for more details.", source:  (0)
[9871:9871:0418/173756:INFO:CONSOLE(33475)] "Loading.", source: chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/foreground/js/main_scripts.js (33475)
[9871:9871:0418/173756:INFO:CONSOLE(33429)] "Web View loaded.", source: chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/foreground/js/main_scripts.js (33429)
[9871:9871:0418/173756:INFO:CONSOLE(33455)] "Sending message: makeBodyVisible", source: chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/foreground/js/main_scripts.js (33455)
[9871:10136:0418/173756:WARNING:embedded_test_server.cc(190)] Request not handled. Returning 404: /favicon.ico
[9871:9871:0418/173756:INFO:CONSOLE(33399)] "Received message: prepareForVisible", source: chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/foreground/js/main_scripts.js (33399)
[9871:9871:0418/173756:INFO:CONSOLE(33455)] "Sending message: prepareComplete", source: chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/foreground/js/main_scripts.js (33455)
[9871:9871:0418/173756:INFO:CONSOLE(44270)] "Loaded.", source: chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/foreground/js/main_scripts.js (44270)
[9871:9871:0418/173756:INFO:CONSOLE(33399)] "Received message: prepareForResize", source: chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/foreground/js/main_scripts.js (33399)
[9871:9871:0418/173756:INFO:CONSOLE(579)] "Waiting for the result of executeScriptInWebView", source: chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/background/js/test_util_base.js (579)
[9871:9871:0418/173756:INFO:CONSOLE(33399)] "Received message: setVisible", source: chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/foreground/js/main_scripts.js (33399)
[9871:9871:0418/173757:INFO:CONSOLE(576)] "Received the result of executeScriptInWebView", source: chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/background/js/test_util_base.js (576)
[9871:9871:0418/173757:INFO:CONSOLE(0)] "[FAIL] bound share: FAIL (no message)
Error
    at Object.<anonymous> (extensions::test:106:11)
    at Object.handleRequest (extensions::binding:57:27)
    at Object.<anonymous> (extensions::binding:406:32)
    at Object.<anonymous> (extensions::test:151:18)
    at Object.handleRequest (extensions::binding:57:27)
    at Object.<anonymous> (extensions::binding:406:32)
    at Object.<anonymous> (extensions::test:135:16)
    at Object.handleRequest (extensions::binding:57:27)
    at Object.<anonymous> (extensions::binding:406:32)
    at Object.<anonymous> (chrome-extension://oobinhbdbiehknkpbpejbbpdbkdjmoco/file_manager/share_dialog.js:80:19)", source: chrome-extension://oobinhbdbiehknkpbpejbbpdbkdjmoco/_generated_background_page.html (0)
[9871:9871:0418/173757:INFO:CONSOLE(0)] "Uncaught (in promise) chrome.test.failure", source: undefined (0)
../../chrome/browser/chromeos/file_manager/file_manager_browsertest_base.cc:575: Failure
Failed
Failed 1 of 1 tests
[9871:9871:0418/173757:INFO:CONSOLE(0)] "Unchecked runtime.lastError while running webViewInternal.executeScript: The tab was closed.
    at test.util.async.executeScriptInWebView (chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/background/js/test_util.js:174:11)
    at chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/background/js/test_util_base.js:580:37", source: chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/main.html (0)
[9871:9871:0418/173757:INFO:power_button_observer.cc(69)] Destroying PowerButtonObserver 0x81e42c98e70
[9871:9871:0418/173757:INFO:lock_state_controller.cc(101)] Destroying LockStateController instance 0x81e4248afc0
[  FAILED  ] ShareDialog/FileManagerBrowserTest.Test/0, where GetParam() = (0, 0x67c071e pointing to "shareFile") (5954 ms)