Steps to reproduce the problem:
1. Install my app ( https://play.google.com/store/apps/details?id=jp.co.eversense.ninaru&hl=ja ) on Android 5.0.2
2. open some articles with webview
3. then crashed

What is the expected behavior?

What went wrong?
We caught the reports below from many my Android 5.0.2 users. 

*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
UUID: a5e8dcb2-b9ea-46cb-af14-315a728af6fe
Build fingerprint: 'KDDI/SOL25_jp_kdi/SOL25:5.0.2/23.1.G.2.151/2186647534:user/release-keys'
Revision: '0'
ABI: 'arm'
pid: 28936, tid: 29215, name: Thread-17902  >>> jp.co.eversense.ninaru <<<
signal 11 (SIGSEGV), code -6 (SI_TKILL), fault addr 0xd
    r0 92571a00  r1 00000002  r2 00004520  r3 0000000a
    r4 8f79a000  r5 8ea00da4  r6 8ea00de8  r7 8ea00ec8
    r8 00000000  r9 8ea00ec8  sl 8dd08091  fp 8ea00e68
    ip 8dd080a1  sp 8ea00d98  lr a9d984d8  pc a8f302da  cpsr 28030030

backtrace:
    #00 pc 00c342da  /system/app/WebViewGoogle/lib/arm/libwebviewchromium.so
---

It occured when user open a webview contents.

- Device List from crash reports
Xperia Z3 Compact（SO-02G）	14	35.0%
Xperia ZL2（SOL25）	12	30.0%
Xperia Z3（SOL26）	5	12.5%
AQUOS EVER SH-04G（SH-04G）	3	7.5%

This problem must be updating Android system webview.

Crashed report ID: 

How much crashed? Whole browser

Is it a problem with a plugin? N/A 

Did this work before? N/A 

Chrome version: 58.0.3029.96  Channel: stable
OS Version: 5.0.2
Flash Version: