--- a/layout/base/nsDisplayItemTypesList.h
+++ b/layout/base/nsDisplayItemTypesList.h
@@ -59,17 +59,17 @@ DECLARE_DISPLAY_ITEM_TYPE(TABLE_CELL_BAC
 DECLARE_DISPLAY_ITEM_TYPE(TABLE_CELL_SELECTION)
 DECLARE_DISPLAY_ITEM_TYPE(TABLE_ROW_BACKGROUND)
 DECLARE_DISPLAY_ITEM_TYPE(TABLE_ROW_GROUP_BACKGROUND)
 DECLARE_DISPLAY_ITEM_TYPE(TABLE_BORDER_BACKGROUND)
 DECLARE_DISPLAY_ITEM_TYPE(TEXT)
 DECLARE_DISPLAY_ITEM_TYPE(TEXT_DECORATION)
 DECLARE_DISPLAY_ITEM_TYPE(TEXT_OVERFLOW)
 DECLARE_DISPLAY_ITEM_TYPE(TEXT_SHADOW)
-DECLARE_DISPLAY_ITEM_TYPE(TRANSFORM)
+DECLARE_DISPLAY_ITEM_TYPE_FLAGS(TRANSFORM,TYPE_RENDERS_NO_IMAGES)
 DECLARE_DISPLAY_ITEM_TYPE(VIDEO)
 DECLARE_DISPLAY_ITEM_TYPE(WRAP_LIST)
 DECLARE_DISPLAY_ITEM_TYPE(ZOOM)
 DECLARE_DISPLAY_ITEM_TYPE(EXCLUDE_GLASS_FRAME)
 
 #if defined(MOZ_REFLOW_PERF_DSP) && defined(MOZ_REFLOW_PERF)
 DECLARE_DISPLAY_ITEM_TYPE(REFLOW_COUNT)
 #endif

--- a/layout/style/ImageLoader.cpp
+++ b/layout/style/ImageLoader.cpp
@@ -345,16 +345,20 @@ void InvalidateImagesCallback(nsIFrame* 
 {
   nsDisplayItem::Type type = nsDisplayItem::GetDisplayItemTypeFromKey(aItem->GetDisplayItemKey());
   uint8_t flags = nsDisplayItem::GetDisplayItemFlagsForType(type);
 
   if (flags & nsDisplayItem::TYPE_RENDERS_NO_IMAGES) {
     return;
   }
 
+  if (nsLayoutUtils::InvalidationDebuggingIsEnabled()) {
+    printf_stderr("Invalidating display item(type=%d) based on frame %p \
+      because it might contain an invalidated image\n", type, aFrame);
+  }
   aItem->Invalidate();
   aFrame->SchedulePaint();
 
   // Update ancestor rendering observers (-moz-element etc)
   nsIFrame *f = aFrame;
   while (f && !f->HasAnyStateBits(NS_FRAME_DESCENDANT_NEEDS_PAINT)) {
     nsSVGEffects::InvalidateDirectRenderingObservers(f);
     f = nsLayoutUtils::GetCrossDocParentFrame(f);