--- a/layout/painting/nsDisplayList.cpp
+++ b/layout/painting/nsDisplayList.cpp
@@ -2963,16 +2963,36 @@ nsDisplaySolidColorRegion::WriteDebugInf
 {
   aStream << " (rgba "
           << int(mColor.r * 255) << ","
           << int(mColor.g * 255) << ","
           << int(mColor.b * 255) << ","
           << mColor.a << ")";
 }
 
+bool
+nsDisplaySolidColorRegion::CreateWebRenderCommands(mozilla::wr::DisplayListBuilder& aBuilder,
+                                                   const StackingContextHelper& aSc,
+                                                   nsTArray<WebRenderParentCommand>& aParentCommands,
+                                                   mozilla::layers::WebRenderLayerManager* aManager,
+                                                   nsDisplayListBuilder* aDisplayListBuilder)
+{
+  for (auto iter = mRegion.RectIter(); !iter.Done(); iter.Next()) {
+    nsRect rect = iter.Get();
+    LayoutDeviceRect layerRects = LayoutDeviceRect::FromAppUnits(
+      rect, mFrame->PresContext()->AppUnitsPerDevPixel());
+    wr::LayoutRect transformedRect = aSc.ToRelativeLayoutRect(layerRects);
+    aBuilder.PushRect(transformedRect,
+                      transformedRect,
+                      wr::ToColorF(ToDeviceColor(mColor)));
+  }
+
+  return true;
+}
+
 static void
 RegisterThemeGeometry(nsDisplayListBuilder* aBuilder, nsIFrame* aFrame,
                       nsITheme::ThemeGeometryType aType)
 {
   if (aBuilder->IsInChromeDocumentOrPopup() && !aBuilder->IsInTransform()) {
     nsIFrame* displayRoot = nsLayoutUtils::GetDisplayRootFrame(aFrame);
     nsPoint offset = aBuilder->IsInSubdocument() ? aBuilder->ToReferenceFrame(aFrame)
                                                  : aFrame->GetOffsetTo(displayRoot);

--- a/layout/painting/nsDisplayList.h
+++ b/layout/painting/nsDisplayList.h
@@ -3113,16 +3113,22 @@ public:
       static_cast<const nsDisplaySolidColorRegionGeometry*>(aGeometry);
     if (mColor == geometry->mColor) {
       aInvalidRegion->Xor(geometry->mRegion, mRegion);
     } else {
       aInvalidRegion->Or(geometry->mRegion.GetBounds(), mRegion.GetBounds());
     }
   }
 
+  virtual bool CreateWebRenderCommands(mozilla::wr::DisplayListBuilder& aBuilder,
+                                       const StackingContextHelper& aSc,
+                                       nsTArray<WebRenderParentCommand>& aParentCommands,
+                                       mozilla::layers::WebRenderLayerManager* aManager,
+                                       nsDisplayListBuilder* aDisplayListBuilder) override;
+
   NS_DISPLAY_DECL_NAME("SolidColorRegion", TYPE_SOLID_COLOR_REGION)
 
 protected:
 
   virtual nsRect GetBounds(nsDisplayListBuilder* aBuilder, bool* aSnap) override;
   virtual void Paint(nsDisplayListBuilder* aBuilder, gfxContext* aCtx) override;
   virtual void WriteDebugInfo(std::stringstream& aStream) override;