special characters in YT channel names not appearing correctly under Rewards panel

[kjozwiak]

Description

YT channels that use special characters in their names are not being displayed correctly in the Rewards panel.

Steps to Reproduce

1. launch the latest brave (0.56.8 Chromium: 70.0.3538.77 in this case)
2. enable rewards via brave://rewards
3. visit https://www.youtube.com/channel/UC5v8uRCMdzHXgEOZC4rtbXg
4. click on the BAT icon in the URL to display the Rewards panel

You'll notice that it's being displayed as D\u0026E miniature and board gameson YouTube instead of D&E miniature and board games

Actual result:

Expected result:

Should display D&E miniature and board games instead of D\u0026E miniature and board gameson YouTube.

Reproduces how often:

100% reproducible using the above STR.

Brave version (brave://version info)

Brave	0.56.8 Chromium: 70.0.3538.77 (Official Build) (64-bit)
Revision	0f6ce0b0cd63a12cb4eccea3637b1bc9a29148d9-refs/branch-heads/3538@{#1039}
OS	Mac OS X

Reproducible on current release:

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

Yes, reproducible under dev and beta

[btlechowski]

Verification passed on

Brave	0.63.4 Chromium: 73.0.3683.67 (Official Build) dev (64-bit)
Revision	a83fd4f3207ae83412d329a9ca1239dd1e068345-refs/branch-heads/3683@{#760}
OS	Windows 7 Service Pack 1 Build 7601.24312

Used test plan from brave/brave-core#1735

Verification PASSED on macOS 10.14.3 x64 using the following build:

Brave	0.63.8 Chromium: 73.0.3683.75 (Official Build) dev (64-bit)
Revision	909ee014fcea6828f9a610e6716145bc0b3ebf4a-refs/branch-heads/3683@{#803}
OS	Mac OS X

• used the test plan outlined under Youtube channels with special characters in name now appear correctly brave-core#1735
  • ensured that the YT channel name is being displayed correctly in the rewards panel
  • ensured that the YT channel name is being displayed correctly in the banner once a tip goes though

Verification passed on

Brave	0.63.12 Chromium: 73.0.3683.75 (Official Build) dev (64-bit)
Revision	909ee014fcea6828f9a610e6716145bc0b3ebf4a-refs/branch-heads/3683@{#803}
OS	Linux mint

• Verified the test plan outlined under Youtube channels with special characters in name now appear correctly brave-core#1735