Cast info window needs to change to Brave

[srirambv]

Description

Cast info window needs to change to Brave

Steps to Reproduce

1. Right click on any tab
2. Click on Cast
3. Info modal says Chromium

Actual result:

Expected result:

If the cast option is retained should show Brave and link to a Brave support page with details

Reproduces how often:

100%

Brave version (about:brave info)

Release build

#212

[simonhong]

This is already fixed.

[btlechowski]

Verification passed on

Brave	0.55.5 Chromium: 70.0.3538.16 (Official Build) dev (64-bit)
Revision	16ed95b41bb05e565b11fb66ac33c660b721f778-refs/branch-heads/3538@{#306}
OS	Windows 7

Reported #1223 because hep link points to community.brave.com and not to a specific help page.

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

Went through verification using the following build under macOS 10.13.6 x64 - PASSED

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