Browser crashes with multiple user profiles

[srirambv]

Description

While investigating browser crash issues found that if the browser profile has many user profile created, browser crash happens quite easily

Steps to Reproduce

1. Launch new profile on 0.54.4
2. Rename profile to Work (or anything else apart from Profile 1)
3. Add a new profile called General (again change it to anything apart from Profile 2)
4. Visit a couple of sites in work profile
5. Click skip tour on general profile
6. Open webstore from Apps
7. Click on any extension, reload the page and click the browser back button
8. Click a second time on the back button and browser crashes

Actual result:

Browser crashes with multiple user profiles
Crash ID : ccefe2a44b115a0a

Expected result:

Should not crash irrespective of how many user profile is created

Reproduces how often:

Easy 100%

Brave version (about:brave info)

Brave	0.54.4 Chromium: 70.0.3528.4 (Official Build) dev (64-bit)
Revision	1911f781145b803e04f2d0b5b1a0146ae69fcbdc-refs/branch-heads/3528@{#9}
OS	Windows

Reproducible on current release:

No

Website problems only:

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

Additional Information

@brave/legacy_qa Should retest all these crash issues on multiple profiles

[LaurenWags]

Unable to reproduce this on macOS with 0.55.3

[srirambv]

Looks fixed on 0.55.3 on Windows too.

[bbondy]

w0000t

[GeetaSarvadnya]

Verification PASS on:

Brave	0.55.5 Chromium: 70.0.3538.16 (Official Build) dev (64-bit)
Revision	16ed95b41bb05e565b11fb66ac33c660b721f778-refs/branch-heads/3538@{#306}
OS	Windows

Verification Pass with

Brave 0.55.6 Chromium: 70.0.3538.16 (Official Build) dev (64-bit)
Revision 16ed95b41bb05e565b11fb66ac33c660b721f778-refs/branch-heads/3538@{#306}
OS Mac OS X

Verification Passed on

Brave	0.55.6 Chromium: 70.0.3538.16 (Official Build) dev (64-bit)
Revision	16ed95b41bb05e565b11fb66ac33c660b721f778-refs/branch-heads/3538@{#306}
OS	Linux