form field input causing crash on Android device

[zanuka]

Steps to Reproduce:

1. Debug/Run example (providing a web url containing form fields)
2. On device, try filling out form fields

Result > app crashes produces this output:

D/ViewRootImpl@f2bfad5[MainActivity](18718): ViewPostIme pointer 1
W/System.err(18718): java.lang.ClassCastException: $Proxy0 cannot be cast to android.view.WindowManagerImpl
W/System.err(18718): 	at android.view.Window.setWindowManager(Window.java:766)
W/System.err(18718): 	at android.view.Window.setWindowManager(Window.java:747)
W/System.err(18718): 	at android.app.Dialog.<init>(Dialog.java:242)
W/System.err(18718): 	at android.app.AlertDialog.<init>(AlertDialog.java:201)
W/System.err(18718): 	at android.app.AlertDialog$Builder.create(AlertDialog.java:1123)
W/System.err(18718): 	at cSC.c(PG:5)
W/System.err(18718): 	at cCu.<init>(PG:5)
W/System.err(18718): 	at org.chromium.content.browser.input.SelectPopup.show(PG:41)
W/System.err(18718): 	at android.os.MessageQueue.nativePollOnce(Native Method)
W/System.err(18718): 	at android.os.MessageQueue.next(MessageQueue.java:326)
W/System.err(18718): 	at android.os.Looper.loop(Looper.java:181)
W/System.err(18718): 	at android.app.ActivityThread.main(ActivityThread.java:7073)
W/System.err(18718): 	at java.lang.reflect.Method.invoke(Native Method)
W/System.err(18718): 	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
W/System.err(18718): 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:965)
F/chromium(18718): [FATAL:jni_android.cc(249)] Please include Java exception stack in crash report
F/libc    (18718): Fatal signal 5 (SIGTRAP), code 1 (TRAP_BRKPT), fault addr 0xe6cd2000 in tid 18718 (i.webvuwexample), pid 18718 (i.webvuwexample)
*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
Build fingerprint: 'samsung/a10dx/a10:9/PPR1.180610.011/A105GDXU2ASE3:user/release-keys'
Revision: '2'
ABI: 'arm'
pid: 18718, tid: 18718, name: i.webvuwexample  >>> com.devfatani.webvuwexample <<<
signal 5 (SIGTRAP), code 1 (TRAP_BRKPT), fault addr 0xe6cd2000
Abort message: '[FATAL:jni_android.cc(249)] Please include Java exception stack in crash report
'
    r0  00000000  r1  bf1f45c0  r2  00000400  r3  00000000
    r4  fff6da40  r5  d05f8f48  r6  e63673c8  r7  fff6da24
    r8  e636cd94  r9  fff6de7c  r10 fff6de78  r11 fff6de74
    ip  fff6da44  sp  fff6da10  lr  ceef0689  pc  ceef0772
backtrace:
    #00 pc 018a6772  /data/app/com.android.chrome-S845I2JYftt7LWIWfGdJhA==/base.apk (offset 0xbca000)
Lost connection to device.