Ads not blocked on Cnet.com

Description

Ads not blocked on Cnet.com

Steps to Reproduce

1. Visit any link on cnet.com
2. Page shows ads which are not blocked even with adblock set to Block Ads
3. Visit the same link on muon browser, all ads are blocked (see screenshot comparison)

Actual result:

Muon

Expected result:

All ads should be blocked by default

Reproduces how often:

Easy

Brave version (chrome://version info)

Brave	0.55.2 Chromium: 70.0.3538.12 (Official Build) (64-bit)
Revision	ad61584ca32115f953ce656dd75b44f1c502a75d-refs/branch-heads/3538@{#179}
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

cc: @bbondy

[LaurenWags]

Just noticed that b-c is being detected as an ad-blocker on an NYT article (using 0.55.3) and b-l (using 0.23.205) is not. https://www.nytimes.com/2018/09/12/opinion/new-york-primary-election-go-vote.html

[srirambv]

Verification passed on

Brave	0.55.12 Chromium: 70.0.3538.45 (Official Build) beta(64-bit)
Revision	cbdc32e4334458954e9def214d7e5fa1ca1960eb-refs/branch-heads/3538@{#830}
OS	Linux

Verification Passed on

Brave	0.55.12 Chromium: 70.0.3538.45 (Official Build) beta (64-bit)
Revision	cbdc32e4334458954e9def214d7e5fa1ca1960eb-refs/branch-heads/3538@{#830}
OS	Windows

Verified passed with

Brave	0.55.13 Chromium: 70.0.3538.54 (Official Build) beta(64-bit)
Revision	4f8e578b6680574714e9ed3bb9f02922b4dde40d-refs/branch-heads/3538@{#937}
OS	Mac OS X