Chrome Version: 68.0.3440.75 (Official Build) Revision	cf598d63a4f1b9e7cd14f2a8433276b196e3e07d-refs/branch-heads/3440@{#738} 32/64-bit.
OS: Win(7,8,8.1,10) ,Mac(10.12.6 , 10.13.1 , 10.13.6, 10.14)  and Linux(14.04 LTS).

Pre-condition: Enable 'Enable new Print Preview UI' flag from chrome://flags

What steps will reproduce the problem?
1. Launch Chrome and give print command on any webpage.
2. Type any invalid page range in 'Pages' text-box and observe.

Actual: All the preview options gets disabled on typing invalid page range in 'Pages' text-box.
Expected: Only 'Print' button should get disabled on typing invalid page range in 'Pages' text-box.

This is a regression issue, broken in M-66 series, below is manual regression range:

Good build: 66.0.3345.0 (Revision: 536027)
Bad build: 66.0.3346.0 (Revision: 536238)

Using the per-revision bisect providing the bisect results:

You are probably looking for a change made after 536228 (known good), but no later than 536229 (first known bad).
CHANGELOG URL:
The script might not always return single CL as suspect as some perf builds might get missing due to failure.
  https://chromium.googlesource.com/chromium/src/+log/5a5241642a8e0259ed9c7a847d63a436ce175ca7..a1d5b83fb1a536497e67a65decaaa12ca3036f21

Suspecting: https://chromium.googlesource.com/chromium/src/+/a1d5b83fb1a536497e67a65decaaa12ca3036f21

@rbpotter : Could you please check whether this is caused with respect to your change, if not please help us in assigning it to the right owner.

NOTE: This issue is also reproducible on Stable #67.0.3396.99, Beta #68.0.3440.68, Dev #69.0.3493.3 and Canary #70.0.3501.0

Kindly review the attached screen-cast for reference.

Thank you.
 

Deleted: Actual behavior.mp4 1.0 MB

	Actual behavior.mp4 1.0 MB View Download

Deleted: Expected behavior.mp4 1.0 MB

	Expected behavior.mp4 1.0 MB View Download