Active tab background color regression with C83

[simonhong]

Active tab bg color should be same with toolbar color

Inactive tab bg color with custom theme

[GeetaSarvadnya]

Verification passed on

Brave | 1.10.86 Chromium: 83.0.4103.61 (Official Build) (64-bit)
-- | --
Revision | 94f915a8d7c408b09cc7352161ad592299f384d2-refs/branch-heads/4103@{#561}
OS | Windows 10 OS Version 1803 (Build 17134.1006)

• Verified the STR from the description

Default– Active tab color

Default- New tab color

Dark – Active tab color

Dark- New tab color

Light- Active tab color

Light- New tab color

Custom theme- Active tab

Custom theme- New tab

Custom theme-PT New tab

Custom theme- TOR New tab

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Verification passed on

Brave	1.10.87 Chromium: 83.0.4103.61 (Official Build) (64-bit)
Revision	94f915a8d7c408b09cc7352161ad592299f384d2-refs/branch-heads/4103@{#561}
OS	Ubuntu 18.04 LTS

Light theme
Normal Window - active tab and inactive tab

Normal Window - new tab active and inactive tab

Private Window

Private Window with Tor

Dark theme
Normal Window - active tab and inactive tab

Normal Window - new tab active and new tab inactive tab

Private Window

Private Window with Tor

Custom theme
Used https://chrome.google.com/webstore/detail/pro-grey/enhpebdanojkmhbbneclbkmpleemilaj

Normal Window

Private Window

Private Window with Tor

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Verification PASSED on macOS 10.15.5 x64 using the following build:

Brave | 1.10.88 Chromium: 83.0.4103.97 (Official Build) (64-bit)
-- | --
Revision | 326d148b9655369b86498d9ecca39f63dd2bdd2d-refs/branch-heads/4103@{#657}
OS | macOS Version 10.15.5 (Build 19F101)

Light Theme

Normal Windows

Private Windows

Tor Windows

Dark Theme

Normal Windows

Private Windows

Tor Windows

Custom Theme

Used https://chrome.google.com/webstore/detail/pro-grey/enhpebdanojkmhbbneclbkmpleemilaj for the custom theme cases/verifications.

Normal Windows

Private Windows

Tor Windows