Enable Cert Verifier Service by Default

Bug: 1015134, 1094483
Change-Id: Ie7c2c5e1c32fa7066c56241966385e1b25fcf61f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2505748Reviewed-by: Caitlin Fischer <caitlinfischer@google.com>
Reviewed-by: John Abd-El-Malek <jam@chromium.org>
Commit-Queue: Matthew Denton <mpdenton@chromium.org>
Cr-Commit-Position: refs/heads/master@{#825181}

services/network/public/cpp/features.cc

@@ -167,7 +167,7 @@ const base::Feature kRequestInitiatorSiteLockEnfocement = {
 // performed in the network service, but will instead be brokered to a separate
 // cert verification service potentially running in a different process.
 const base::Feature kCertVerifierService{"CertVerifierService",
-                                         base::FEATURE_DISABLED_BY_DEFAULT};
+                                         base::FEATURE_ENABLED_BY_DEFAULT};
 
 // Enables preprocessing requests with the Trust Tokens API Fetch flags set,
 // and handling their responses, according to the protocol.

testing/variations/fieldtrial_testing_config.json

@@ -1354,24 +1354,6 @@
             ]
         }
     ],
-    "CertVerifierService": [
-        {
-            "platforms": [
-                "chromeos",
-                "linux",
-                "mac",
-                "windows"
-            ],
-            "experiments": [
-                {
-                    "name": "Enabled",
-                    "enable_features": [
-                        "CertVerifierService"
-                    ]
-                }
-            ]
-        }
-    ],
     "CheckOfflineCapability": [
         {
             "platforms": [