--- a/gfx/thebes/gfxPlatform.cpp
+++ b/gfx/thebes/gfxPlatform.cpp
@@ -2291,20 +2291,23 @@ gfxPlatform::InitWebRenderConfig()
 {
   FeatureState& featureWebRender = gfxConfig::GetFeature(Feature::WEBRENDER);
 
   featureWebRender.DisableByDefault(
       FeatureStatus::OptIn,
       "WebRender is an opt-in feature",
       NS_LITERAL_CSTRING("FEATURE_FAILURE_DEFAULT_OFF"));
 
-  if (Preferences::GetBool("gfx.webrender.enabled", false)) {
+  bool prefEnabled = Preferences::GetBool("gfx.webrender.enabled", false);
+  if (prefEnabled) {
     featureWebRender.UserEnable("Enabled by pref");
   }
 
+  ScopedGfxFeatureReporter reporter("WR", prefEnabled);
+
   // WebRender relies on the GPU process when on Windows
 #ifdef XP_WIN
   if (!gfxConfig::IsEnabled(Feature::GPU_PROCESS)) {
     featureWebRender.ForceDisable(
       FeatureStatus::Unavailable,
       "GPU Process is disabled",
       NS_LITERAL_CSTRING("FEATURE_FAILURE_GPU_PROCESS_DISABLED"));
   }
@@ -2320,17 +2323,20 @@ gfxPlatform::InitWebRenderConfig()
 #ifndef MOZ_BUILD_WEBRENDER
   featureWebRender.ForceDisable(
     FeatureStatus::Unavailable,
     "Build doesn't include WebRender",
     NS_LITERAL_CSTRING("FEATURE_FAILURE_NO_WEBRENDER"));
 #endif
 
   // gfxFeature is not usable in the GPU process, so we use gfxVars to transmit this feature
-  gfxVars::SetUseWebRender(gfxConfig::IsEnabled(Feature::WEBRENDER));
+  if (gfxConfig::IsEnabled(Feature::WEBRENDER)) {
+    gfxVars::SetUseWebRender(true);
+    reporter.SetSuccessful();
+  }
 }
 
 bool
 gfxPlatform::CanUseHardwareVideoDecoding()
 {
   // this function is called from the compositor thread, so it is not
   // safe to init the prefs etc. from here.
   MOZ_ASSERT(sLayersAccelerationPrefsInitialized);