Example URL:
https://inews.gtimg.com/newsapp_bt/0/7125615253/641?tp=webp

Steps to reproduce the problem:
1. compile the webview_instrumentation_test_apk target
2. add "chrome --webview-sandboxed-renderer" to /data/local/tmp/android-webview-command-line
2. load "http://www.baidu.com"
3. load "https://inews.gtimg.com/newsapp_bt/0/7125615253/641?tp=webp"

What is the expected behavior?
page fit to content

What went wrong?
page not fit to content

Does it occur on multiple sites: N/A

Is it a problem with a plugin? N/A 

Did this work before? N/A 

Does this work in other browsers? N/A

Chrome version: 72.0.3592.0  Channel: n/a
OS Version: 
Flash Version: 

The page scale will be reseted when RenderViewHostChanged