Unable to create sync chain without entering a device name

[srirambv]

Description

Unable to create sync chain without entering a device name

Steps to Reproduce

1. Launch browser with --enable-brave-sync
2. Open brave://sync
3. Click on I am new to Sync
4. Click Create Sync button on popup modal, doesn't use the placeholder text to create a sync chain. Only creates after entering a device name

Actual result:

https://youtu.be/shYejuYzzKw

Expected result:

Should be able to user placeholder text to create a sync chain similar to b-l

Reproduces how often:

Easy

Brave version (brave://version info)

Brave	0.57.6 Chromium: 71.0.3578.31 (Official Build) beta (64-bit)
Revision	c88fdf2a4ce19a713615ca4fbde7a0d0b5fe2363-refs/branch-heads/3578@{#427}
OS	All

Reproducible on current release:

• Does it reproduce on brave-browser dev/beta builds? Yes

Website problems only:

• Does the issue resolve itself when disabling Brave Shields?
• Is the issue reproducible on the latest version of Chrome?

Additional Information

[LaurenWags]

Verified passed with

Brave	0.57.7 Chromium: 71.0.3578.53 (Official Build) beta(64-bit)
Revision	599fb72e740eab9d10609f1ed28a2ad669f82c1a-refs/branch-heads/3578@{#669}
OS	Mac OS X

• Verified STR from description
  

Verification passed on

Brave	0.57.7 Chromium: 71.0.3578.53 (Official Build) beta(64-bit)
Revision	599fb72e740eab9d10609f1ed28a2ad669f82c1a-refs/branch-heads/3578@{#669}
OS	Linux

Verification passed on

Brave	0.57.7 Chromium: 71.0.3578.53 (Official Build) beta (64-bit)
Revision	599fb72e740eab9d10609f1ed28a2ad669f82c1a-refs/branch-heads/3578@{#669}
OS	Windows

• Verified the STR mentioned in defect

[srirambv]

Removed QA pass label. Need to verify it against beta again

[GeetaSarvadnya]

Verification Passed on

Brave	0.57.12 Chromium: 71.0.3578.75 (Official Build) (64-bit)
Revision	06ef00b5279f93f8e0c1e73acedd49d7dcc09767-refs/branch-heads/3578@{#836}
OS	Windows

• Verified the STR mentioned in issue.
  

Verification passed on

Brave	0.58.11 Chromium: 71.0.3578.80 (Official Build) beta(64-bit)
Revision	2ac50e7249fbd55e6f517a28131605c9fb9fe897-refs/branch-heads/3578@{#860}
OS	Linux

Verified passed with

Brave	0.58.11 Chromium: 71.0.3578.80 (Official Build) beta(64-bit)
Revision	2ac50e7249fbd55e6f517a28131605c9fb9fe897-refs/branch-heads/3578@{#860}
OS	Mac OS X

• Verified STR in issue