UserAgent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.101 Safari/537.36

Steps to reproduce the problem:
1. open the attached test html
2. right-click the green shape and choose Inspect
3. in devtools Styles sub-panel click url(data:image/svg+xml
4. copy via Ctrl-C or Cmd-C and paste it somewhere

What is the expected behavior?
The pasted value is complete and ends with 2Fsvg%3E")

What went wrong?
The pasted value is truncated and ends with 20-209.000000)

Did this work before? Yes 40.0.2194.0

Chrome version: 60.0.3112.101  Channel: n/a
OS Version: 6.1 (Windows 7, Windows Server 2008 R2)
Flash Version: Shockwave Flash 26.0 r0

Bisect info: 300373 (good) - 300381 (bad)
NOTE: There is a Blink roll in the range, you might also want to do a Blink bisect.
https://chromium.googlesource.com/chromium/src/+log/dddb7ae7..a409ccc3?pretty=fuller

Suspecting r300377 "Roll src/third_party/WebKit"
https://chromium.googlesource.com/chromium/blink/+log/c6bd766..660cc59?pretty=fuller
Landed in 40.0.2196.0

In the suspected webkit roll the likely cause is https://crrev.com/645163004
    >"DevTools: [SSP] add heuristic for css property value parsing"
    >This patch adds a heuristic for parsing CSS url(..) statements.

Also observed in Canary 62.0.3194.0
 

Deleted: test.html 3.0 KB

test.html 3.0 KB View Download

Deleted: bad.png 27.0 KB

	bad.png 27.0 KB View Download

Deleted: good.png 38.3 KB

	good.png 38.3 KB View Download