Chrome Version: 67.0.3390.0 (Canary build)
OS: Android 8.1.0

What steps will reproduce the problem?
(1) Open chrome://flags
(2) Type "download home" and hit enter

What is the expected result?
Presented flags should be filtered accordingly.

What happens instead?
Got a checked-crash:

04-05 15:57:44.047 18105 18105 F chromium: [FATAL:spellcheck.mojom.cc(758)] Check failed: !connected. SpellCheckHost::RequestTextCheckCallback was destroyed without first either being run or its corresponding binding being closed. It is an error to drop response callbacks which still correspond to an open interface pipe.
04-05 15:57:44.047 18105 18105 F chromium: #00 0xd262454d /data/data/org.chromium.chrome/incremental-install-files/lib/libbase.cr.so+0x000d154d
04-05 15:57:44.047 18105 18105 F chromium: #01 0xc4e0abb1 /data/data/org.chromium.chrome/incremental-install-files/lib/libchrome.cr.so+0x00908bb1
04-05 15:57:44.047 18105 18105 F chromium: 
04-05 15:57:44.048 18105 18105 F libc    : Fatal signal 6 (SIGABRT), code -6 in tid 18105 (chromium.chrome), pid 18105 (chromium.chrome)
04-05 15:57:44.123 18262 18262 F DEBUG   : *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
04-05 15:57:44.123 18262 18262 F DEBUG   : Build fingerprint: 'google/ryu/dragon:8.1.0/OPM1.171019.016/4503492:user/release-keys'
04-05 15:57:44.123 18262 18262 F DEBUG   : Revision: '0'
04-05 15:57:44.123 18262 18262 F DEBUG   : ABI: 'arm'
04-05 15:57:44.123 18262 18262 F DEBUG   : pid: 18105, tid: 18105, name: chromium.chrome  >>> org.chromium.chrome <<<
04-05 15:57:44.123 18262 18262 F DEBUG   : signal 6 (SIGABRT), code -6 (SI_TKILL), fault addr --------
04-05 15:57:44.126 18262 18262 F DEBUG   : Abort message: '[FATAL:spellcheck.mojom.cc(758)] Check failed: !connected. SpellCheckHost::RequestTextCheckCallback was destroyed without first either being run or its corresponding binding being closed. It is an error to drop response callbacks which still correspond to an open interface pipe.
04-05 15:57:44.126 18262 18262 F DEBUG   : #00 0xd262454d /data/data/org.chromium.chrome/incremental-install-files/lib/libbase.cr.so+0x000d154d
04-05 15:57:44.126 18262 18262 F DEBUG   : #01 0xc4e0abb1 /data/data/org.chromium.chrome/incremental-install-files/lib/libchrome.cr.so+0x00908bb1
04-05 15:57:44.126 18262 18262 F DEBUG   : 
04-05 15:57:44.126 18262 18262 F DEBUG   : '
04-05 15:57:44.126 18262 18262 F DEBUG   :     r0 00000000  r1 000046b9  r2 00000006  r3 00000008
04-05 15:57:44.126 18262 18262 F DEBUG   :     r4 000046b9  r5 000046b9  r6 ffc14184  r7 0000010c
04-05 15:57:44.126 18262 18262 F DEBUG   :     r8 00000000  r9 d26a12d0  sl ffc14624  fp ffc14620
04-05 15:57:44.126 18262 18262 F DEBUG   :     ip ffc141dd  sp ffc14170  lr eff679e7  pc eff61418  cpsr 20070030
04-05 15:57:44.127 18262 18262 F DEBUG   : 
04-05 15:57:44.127 18262 18262 F DEBUG   : backtrace:
04-05 15:57:44.127 18262 18262 F DEBUG   :     #00 pc 0001a418  /system/lib/libc.so (abort+63)
04-05 15:57:44.127 18262 18262 F DEBUG   :     #01 pc 00013b3d  /data/data/org.chromium.chrome/incremental-install-files/lib/libbase.cr.so (offset 0xad000)
04-05 15:57:45.410   939 18268 W ActivityManager: Force finishing activity org.chromium.chrome/.browser.ChromeTabbedActivity
04-05 15:57:45.416   939   954 I ActivityManager: Showing crash dialog for package org.chromium.chrome u0
04-05 15:57:45.508   939  1221 I ActivityManager: Process org.chromium.chrome (pid 18105) has died: vis  +99TOP 
04-05 15:57:45.515 18143 18143 I cr_ChildProcessService: Destroying ChildProcessService pid=18143
04-05 15:57:45.517 18176 18176 I cr_ChildProcessService: Destroying ChildProcessService pid=18176
04-05 15:57:45.519 18143 18206 E chromium: [ERROR:render_process_impl.cc(197)] WebFrame LEAKED 1 TIMES
04-05 15:57:45.519   939   962 W ActivityManager: setHasOverlayUi called on unknown pid: 18105
04-05 15:57:45.534   939  4100 I ActivityManager: Killing 15051:com.chrome.canary/u0a28 (adj 906): empty #17
04-05 15:57:45.594   939  1633 I ActivityManager: Process org.chromium.chrome:privileged_process0 (pid 18176) has died: cch  CEM 
04-05 15:57:45.633   939  1304 I ActivityManager: Process org.chromium.chrome:sandboxed_process0 (pid 18143) has died: fore SVC