Default to Enabled for FilterAdsOnAbusiveSites

Bug: 891888
Change-Id: Ie782dc79d631c524cdd97bd4a59ca9d7a87d277e
Reviewed-on: https://chromium-review.googlesource.com/c/1361620
Reviewed-by: Charlie Harrison <csharrison@chromium.org>
Commit-Queue: Yao Xiao <yaoxia@chromium.org>
Cr-Commit-Position: refs/heads/master@{#613624}

components/subresource_filter/core/browser/subresource_filter_features.cc

@@ -236,7 +236,7 @@ const base::Feature kSafeBrowsingSubresourceFilterConsiderRedirects{
     "SubresourceFilterConsiderRedirects", base::FEATURE_DISABLED_BY_DEFAULT};
 
 const base::Feature kFilterAdsOnAbusiveSites{"FilterAdsOnAbusiveSites",
-                                             base::FEATURE_DISABLED_BY_DEFAULT};
+                                             base::FEATURE_ENABLED_BY_DEFAULT};
 
 // Legacy name `activation_state` is used in variation parameters.
 const char kActivationLevelParameterName[] = "activation_state";