Blob downloads failing on https://material-foundation.github.io/material-theme-builder/#/custom

Description

Downloading files from https://material-foundation.github.io/material-theme-builder/#/custom failing

Steps to Reproduce

1. Open https://material-foundation.github.io/material-theme-builder/#/custom
2. Click on Export.
3. Select an option, Android views

Some more context on how to verify the above can be found via the following verification notes:

• https://github.com/brave/brave-core/pull/13586#issuecomment-1147721861

Actual result:

Expected result:

Should able to download

Reproduces how often:

Easily

Brave version (brave://version info)

Version/Channel Information:

• Can you reproduce this issue with the current release? Yes
• Can you reproduce this issue with the beta channel? Yes
• Can you reproduce this issue with the nightly channel? Yes

Other Additional Information:

• Does the issue resolve itself when disabling Brave Shields? No
• Does the issue resolve itself when disabling Brave Rewards?
• Is the issue reproducible on the latest version of Chrome?

Miscellaneous Information:

Works in Chrome and Firefox.

Download links are formatted blob:null/d0accc4f-1ecb-41e5-a9da-9b7cf620739b

[LaurenWags]

Verified using

Brave | 1.39.118 Chromium: 102.0.5005.78 (Official Build) (x86_64)
-- | --
Revision | df6dbb5a9fd82af3f567198af2eb5fb4876ef99c-refs/branch-heads/5005_59@{#3}
OS | macOS Version 12.4 (Build 21F79)

Reproduced issue using 1.39.111 with BravePartitionBlobStorage enabled:

Example	Example

Verified with 1.39.118 and BravePartitionBlobStorage enabled that issue does not reproduce. Also confirmed that https://dev-pages.brave.software/storage/partitioning.html is working as expected.

Example	Example	Example

Verified with 1.39.118 and BravePartitionBlobStorage disabled that issue does not reproduce.

Example	Example	Example

---

Verification PASSED on

Brave | 1.39.118 Chromium: 102.0.5005.78 (Official Build) (64-bit)
-- | --
Revision | df6dbb5a9fd82af3f567198af2eb5fb4876ef99c-refs/branch-heads/5005_59@{#3}
OS | Windows 10 Version 21H2 (Build 19044.1706)

Reproduced issue using 1.39.111 with BravePartitionBlobStorage enabled:

Example	Example

Verified with 1.39.118 and BravePartitionBlobStorage disabled that issue does not reproduce.

Example	Example	Example

[goodov]

Once the above is released via the 1.39.x maintenance release, we’ll revert brave/brave-variations#270 & brave/brave-variations#272 👍

We should not revert this. The proper way is to add max_version into the study with the value of version that was last without the fix. I’ll do it, don’t worry!