--- a/dom/ipc/TabChild.cpp
+++ b/dom/ipc/TabChild.cpp
@@ -3206,16 +3206,35 @@ TabChild::InvalidateLayers()
   MOZ_ASSERT(mPuppetWidget);
   RefPtr<LayerManager> lm = mPuppetWidget->GetLayerManager();
   MOZ_ASSERT(lm);
 
   FrameLayerBuilder::InvalidateAllLayers(lm);
 }
 
 void
+TabChild::SchedulePaint()
+{
+  nsCOMPtr<nsIDocShell> docShell = do_GetInterface(WebNavigation());
+  if (!docShell) {
+    return;
+  }
+
+  // We don't use TabChildBase::GetPresShell() here because that would create
+  // a content viewer if one doesn't exist yet. Creating a content viewer can
+  // cause JS to run, which we want to avoid. nsIDocShell::GetPresShell
+  // returns null if no content viewer exists yet.
+  if (nsCOMPtr<nsIPresShell> presShell = docShell->GetPresShell()) {
+    if (nsIFrame* root = presShell->GetRootFrame()) {
+      root->SchedulePaint();
+    }
+  }
+}
+
+void
 TabChild::ReinitRendering()
 {
   MOZ_ASSERT(mLayersId.IsValid());
 
   // Before we establish a new PLayerTransaction, we must connect our layer tree
   // id, CompositorBridge, and the widget compositor all together again.
   // Normally this happens in TabParent before TabChild is given rendering
   // information.

--- a/dom/ipc/TabChild.h
+++ b/dom/ipc/TabChild.h
@@ -535,16 +535,17 @@ public:
                     const TimeStamp& aCompositeStart,
                     const TimeStamp& aCompositeEnd);
 
   void DidRequestComposite(const TimeStamp& aCompositeReqStart,
                            const TimeStamp& aCompositeReqEnd);
 
   void ClearCachedResources();
   void InvalidateLayers();
+  void SchedulePaint();
   void ReinitRendering();
   void ReinitRenderingForDeviceReset();
 
   static inline TabChild* GetFrom(nsIDOMWindow* aWindow)
   {
     nsCOMPtr<nsIWebNavigation> webNav = do_GetInterface(aWindow);
     nsCOMPtr<nsIDocShell> docShell = do_QueryInterface(webNav);
     return GetFrom(docShell);

--- a/gfx/layers/wr/WebRenderLayerManager.cpp
+++ b/gfx/layers/wr/WebRenderLayerManager.cpp
@@ -556,16 +556,22 @@ WebRenderLayerManager::ClearCachedResour
   WrBridge()->EndClearCachedResources();
 }
 
 void
 WebRenderLayerManager::WrUpdated()
 {
   mWebRenderCommandBuilder.ClearCachedResources();
   DiscardLocalImages();
+
+  if (mWidget) {
+    if (dom::TabChild* tabChild = mWidget->GetOwningTabChild()) {
+      tabChild->SchedulePaint();
+    }
+  }
 }
 
 dom::TabGroup*
 WebRenderLayerManager::GetTabGroup()
 {
   if (mWidget) {
     if (dom::TabChild* tabChild = mWidget->GetOwningTabChild()) {
       return tabChild->TabGroup();