Your attached log also looks similar as Issue 362348 - chromium - [Android-WebRTC] Crash in accessing WebRTC page with external USB camera -...
--
I/DEBUG ( 2358): backtrace:
I/DEBUG ( 2358): #00 pc 0001e684 /system/lib/libc.so
I/DEBUG ( 2358): #01 pc 0001c550 /system/lib/libc.so (abort+4)
I/DEBUG ( 2358): #02 pc 000121f1 /system/lib/libc.so
I/DEBUG ( 2358): #03 pc 00011701 /system/lib/libc.so (__assert2+20)
I/DEBUG ( 2358): #04 pc 01bf1649 /data/app-lib/org.chromium.chrome.shell-1/libchromeshell.so
I/DEBUG ( 2358): #05 pc 01bf173d /data/app-lib/org.chromium.chrome.shell-1/libchromeshell.so
I/DEBUG ( 2358): #06 pc 01bf3c6b /data/app-lib/org.chromium.chrome.shell-1/libchromeshell.so
I/DEBUG ( 2358): #07 pc 01aad261 /data/app-lib/org.chromium.chrome.shell-1/libchromeshell.so
I/DEBUG ( 2358): #08 pc 01a9a74b /data/app-lib/org.chromium.chrome.shell-1/libchromeshell.so
I/DEBUG ( 2358): #09 pc 01ab2d9b /data/app-lib/org.chromium.chrome.shell-1/libchromeshell.so
I/DEBUG ( 2358): #10 pc 01aab13d /data/app-lib/org.chromium.chrome.shell-1/libchromeshell.so
I/DEBUG ( 2358): #11 pc 00b82601 /data/app-lib/org.chromium.chrome.shell-1/libchromeshell.so
I/DEBUG ( 2358): #12 pc 00b7fe33 /data/app-lib/org.chromium.chrome.shell-1/libchromeshell.so
--
Regards,
Max