--- a/gfx/ipc/GPUParent.cpp
+++ b/gfx/ipc/GPUParent.cpp
@@ -3,16 +3,17 @@
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #ifdef XP_WIN
 #include "WMF.h"
 #endif
 #include "GPUParent.h"
 #include "gfxConfig.h"
+#include "gfxCrashReporterUtils.h"
 #include "gfxPlatform.h"
 #include "gfxPrefs.h"
 #include "GPUProcessHost.h"
 #include "mozilla/Assertions.h"
 #include "mozilla/Telemetry.h"
 #include "mozilla/TimeStamp.h"
 #include "mozilla/dom/MemoryReportRequest.h"
 #include "mozilla/dom/VideoDecoderManagerChild.h"
@@ -196,16 +197,24 @@ GPUParent::RecvInit(nsTArray<GfxPrefSett
 
   // Inherit device preferences.
   gfxConfig::Inherit(Feature::HW_COMPOSITING, devicePrefs.hwCompositing());
   gfxConfig::Inherit(Feature::D3D11_COMPOSITING, devicePrefs.d3d11Compositing());
   gfxConfig::Inherit(Feature::OPENGL_COMPOSITING, devicePrefs.oglCompositing());
   gfxConfig::Inherit(Feature::ADVANCED_LAYERS, devicePrefs.advancedLayers());
   gfxConfig::Inherit(Feature::DIRECT2D, devicePrefs.useD2D1());
 
+  { // Let the crash reporter know if we've got WR enabled or not. For other
+    // processes this happens in gfxPlatform::InitWebRenderConfig.
+    ScopedGfxFeatureReporter reporter("WR", gfxPlatform::WebRenderPrefEnabled());
+    if (gfxVars::UseWebRender()) {
+      reporter.SetSuccessful();
+    }
+  }
+
   for (const LayerTreeIdMapping& map : aMappings) {
     LayerTreeOwnerTracker::Get()->Map(map.layersId(), map.ownerId());
   }
 
 #if defined(XP_WIN)
   if (gfxConfig::IsEnabled(Feature::D3D11_COMPOSITING)) {
     DeviceManagerDx::Get()->CreateCompositorDevices();
   }