Bug 1647225 - Change the string exposed via gfxInfo. r=jrmuizel

This includes things like about:support, gfxCriticalNote, probably telemetry
environment stuff.

Differential Revision: https://phabricator.services.mozilla.com/D80451

gfx/src/gfxTelemetry.cpp

@@ -59,7 +59,7 @@ const char* FeatureStatusToString(FeatureStatus aStatus) {
     case FeatureStatus::Denied:
       return "denied";
     case FeatureStatus::Blocklisted:
-      return "blacklisted";
+      return "blocklisted";
     case FeatureStatus::OptIn:
       return "opt-in";
     case FeatureStatus::Failed:

widget/nsIGfxInfo.idl

@@ -266,7 +266,7 @@ interface nsIGfxInfo : nsISupports
   //       //   "unused"      - This feature has not been requested.
   //       //   "unavailable" - OS version or restriction prevents use.
   //       //   "blocked"     - An internal condition (such as safe mode) prevents use.
-  //       //   "blacklisted" - Blocked due to a blacklist restriction.
+  //       //   "blocklisted" - Blocked due to a blocklist restriction.
   //       //   "denied"      - Blocked due to allowlist restrictions.
   //       //   "disabled"    - User explicitly disabled this default feature.
   //       //   "failed"      - Feature failed to initialize.

widget/windows/GfxInfo.cpp

@@ -2031,7 +2031,7 @@ void GfxInfo::DescribeFeatures(JSContext* aCx, JS::Handle<JSObject*> aObj) {
     }
 
     val = JS::BooleanValue(blocklisted);
-    JS_SetProperty(aCx, obj, "blacklisted", val);
+    JS_SetProperty(aCx, obj, "blocklisted", val);
   }
 
   gfx::FeatureState& d2d = gfxConfig::GetFeature(Feature::DIRECT2D);