Merge branch 'master' of https://github.com/MoonchildProductions/UXP

30 files changed, 29 insertions, 66 deletions

diff --git a/layout/xul/nsBoxFrame.cpp b/layout/xul/nsBoxFrame.cpp
index 9ca351d94..9982a39f7 100644
--- a/layout/xul/nsBoxFrame.cpp
+++ b/layout/xul/nsBoxFrame.cpp
@@ -1310,7 +1310,6 @@ PaintXULDebugBackground(nsIFrame* aFrame, DrawTarget* aDrawTarget,
 
 void
 nsBoxFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                             const nsRect&           aDirtyRect,
                              const nsDisplayListSet& aLists)
 {
   bool forceLayer = false;
@@ -1329,7 +1328,7 @@ nsBoxFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
     }
   }
 
-  nsDisplayListCollection tempLists;
+  nsDisplayListCollection tempLists (aBuilder);
   const nsDisplayListSet& destination = forceLayer ? tempLists : aLists;
 
   DisplayBorderBackgroundOutline(aBuilder, destination);
@@ -1344,7 +1343,7 @@ nsBoxFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
   }
 #endif
 
-  BuildDisplayListForChildren(aBuilder, aDirtyRect, destination);
+  BuildDisplayListForChildren(aBuilder, destination);
 
   // see if we have to draw a selection frame around this container
   DisplaySelectionOverlay(aBuilder, destination.Content());
@@ -1370,7 +1369,6 @@ nsBoxFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
 
 void
 nsBoxFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                        const nsRect&           aDirtyRect,
                                         const nsDisplayListSet& aLists)
 {
   nsIFrame* kid = mFrames.FirstChild();
@@ -1379,7 +1377,7 @@ nsBoxFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
   nsDisplayListSet set(aLists, aLists.BlockBorderBackgrounds());
   // The children should be in the right order
   while (kid) {
-    BuildDisplayListForChild(aBuilder, kid, aDirtyRect, set);
+    BuildDisplayListForChild(aBuilder, kid, set);
     kid = kid->GetNextSibling();
   }
 }
diff --git a/layout/xul/nsBoxFrame.h b/layout/xul/nsBoxFrame.h
index ad405222f..7b15f4f5e 100644
--- a/layout/xul/nsBoxFrame.h
+++ b/layout/xul/nsBoxFrame.h
@@ -148,11 +148,9 @@ public:
   // virtual so nsStackFrame, nsButtonBoxFrame, nsSliderFrame and nsMenuFrame
   // can override it
   virtual void BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                           const nsRect&           aDirtyRect,
                                            const nsDisplayListSet& aLists);
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
   
 #ifdef DEBUG_LAYOUT
diff --git a/layout/xul/nsButtonBoxFrame.cpp b/layout/xul/nsButtonBoxFrame.cpp
index 45d934516..4f2a7cbe1 100644
--- a/layout/xul/nsButtonBoxFrame.cpp
+++ b/layout/xul/nsButtonBoxFrame.cpp
@@ -91,13 +91,12 @@ nsButtonBoxFrame::DestroyFrom(nsIFrame* aDestructRoot)
 
 void
 nsButtonBoxFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                              const nsRect&           aDirtyRect,
                                               const nsDisplayListSet& aLists)
 {
   // override, since we don't want children to get events
   if (aBuilder->IsForEventDelivery())
     return;
-  nsBoxFrame::BuildDisplayListForChildren(aBuilder, aDirtyRect, aLists);
+  nsBoxFrame::BuildDisplayListForChildren(aBuilder, aLists);
 }
 
 nsresult
diff --git a/layout/xul/nsButtonBoxFrame.h b/layout/xul/nsButtonBoxFrame.h
index e9bfd99a5..0dc8b517f 100644
--- a/layout/xul/nsButtonBoxFrame.h
+++ b/layout/xul/nsButtonBoxFrame.h
@@ -23,7 +23,6 @@ public:
                     nsIFrame*         aPrevInFlow) override;
 
   virtual void BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                           const nsRect&           aDirtyRect,
                                            const nsDisplayListSet& aLists) override;
 
   virtual void DestroyFrom(nsIFrame* aDestructRoot) override;
diff --git a/layout/xul/nsDeckFrame.cpp b/layout/xul/nsDeckFrame.cpp
index b0c0296b2..91359c177 100644
--- a/layout/xul/nsDeckFrame.cpp
+++ b/layout/xul/nsDeckFrame.cpp
@@ -145,14 +145,13 @@ nsDeckFrame::GetSelectedBox()
 
 void
 nsDeckFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                              const nsRect&           aDirtyRect,
                               const nsDisplayListSet& aLists)
 {
   // if a tab is hidden all its children are too.
   if (!StyleVisibility()->mVisible)
     return;
     
-  nsBoxFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
+  nsBoxFrame::BuildDisplayList(aBuilder, aLists);
 }
 
 void
@@ -185,7 +184,6 @@ nsDeckFrame::RemoveFrame(ChildListID aListID,
 
 void
 nsDeckFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                         const nsRect&           aDirtyRect,
                                          const nsDisplayListSet& aLists)
 {
   // only paint the selected box
@@ -196,7 +194,7 @@ nsDeckFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
   // Putting the child in the background list. This is a little weird but
   // it matches what we were doing before.
   nsDisplayListSet set(aLists, aLists.BlockBorderBackgrounds());
-  BuildDisplayListForChild(aBuilder, box, aDirtyRect, set);
+  BuildDisplayListForChild(aBuilder, box, set);
 }
 
 NS_IMETHODIMP
diff --git a/layout/xul/nsDeckFrame.h b/layout/xul/nsDeckFrame.h
index 2c7ae1445..143745236 100644
--- a/layout/xul/nsDeckFrame.h
+++ b/layout/xul/nsDeckFrame.h
@@ -34,14 +34,12 @@ public:
   NS_IMETHOD DoXULLayout(nsBoxLayoutState& aState) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual void RemoveFrame(ChildListID aListID,
                            nsIFrame* aOldFrame) override;
 
   virtual void BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                           const nsRect&           aDirtyRect,
                                            const nsDisplayListSet& aLists) override;
                                          
   virtual void Init(nsIContent*       aContent,
diff --git a/layout/xul/nsGroupBoxFrame.cpp b/layout/xul/nsGroupBoxFrame.cpp
index 514287a24..df3955cf3 100644
--- a/layout/xul/nsGroupBoxFrame.cpp
+++ b/layout/xul/nsGroupBoxFrame.cpp
@@ -28,7 +28,6 @@ public:
   virtual nsresult GetXULBorderAndPadding(nsMargin& aBorderAndPadding) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
 #ifdef DEBUG_FRAME_DUMP
@@ -145,13 +144,13 @@ nsDisplayXULGroupBorder::Paint(nsDisplayListBuilder* aBuilder,
 
 void
 nsGroupBoxFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                  const nsRect&           aDirtyRect,
                                   const nsDisplayListSet& aLists)
 {
   // Paint our background and border
   if (IsVisibleForPainting(aBuilder)) {
     nsDisplayBackgroundImage::AppendBackgroundItemsToTop(
-      aBuilder, this, GetBackgroundRectRelativeToSelf(),
+      aBuilder, this,
+      GetBackgroundRectRelativeToSelf() + aBuilder->ToReferenceFrame(this),
       aLists.BorderBackground());
     aLists.BorderBackground()->AppendNewToTop(new (aBuilder)
       nsDisplayXULGroupBorder(aBuilder, this));
@@ -159,7 +158,7 @@ nsGroupBoxFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
     DisplayOutline(aBuilder, aLists);
   }
 
-  BuildDisplayListForChildren(aBuilder, aDirtyRect, aLists);
+  BuildDisplayListForChildren(aBuilder, aLists);
 }
 
 nsRect
diff --git a/layout/xul/nsImageBoxFrame.cpp b/layout/xul/nsImageBoxFrame.cpp
index fd7c7becf..e88b502ab 100644
--- a/layout/xul/nsImageBoxFrame.cpp
+++ b/layout/xul/nsImageBoxFrame.cpp
@@ -320,10 +320,9 @@ nsImageBoxFrame::UpdateLoadFlags()
 
 void
 nsImageBoxFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                  const nsRect&           aDirtyRect,
                                   const nsDisplayListSet& aLists)
 {
-  nsLeafBoxFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
+  nsLeafBoxFrame::BuildDisplayList(aBuilder, aLists);
 
   if ((0 == mRect.width) || (0 == mRect.height)) {
     // Do not render when given a zero area. This avoids some useless
diff --git a/layout/xul/nsImageBoxFrame.h b/layout/xul/nsImageBoxFrame.h
index 7faccccae..46c8d5614 100644
--- a/layout/xul/nsImageBoxFrame.h
+++ b/layout/xul/nsImageBoxFrame.h
@@ -87,7 +87,6 @@ public:
   void UpdateLoadFlags();
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual ~nsImageBoxFrame();
diff --git a/layout/xul/nsLeafBoxFrame.cpp b/layout/xul/nsLeafBoxFrame.cpp
index 6d1783c11..8342b7485 100644
--- a/layout/xul/nsLeafBoxFrame.cpp
+++ b/layout/xul/nsLeafBoxFrame.cpp
@@ -106,7 +106,6 @@ void nsLeafBoxFrame::UpdateMouseThrough()
 
 void
 nsLeafBoxFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                 const nsRect&           aDirtyRect,
                                  const nsDisplayListSet& aLists)
 {
   // REVIEW: GetFrameForPoint used to not report events for the background
diff --git a/layout/xul/nsLeafBoxFrame.h b/layout/xul/nsLeafBoxFrame.h
index 8aea598c8..7a63d9a79 100644
--- a/layout/xul/nsLeafBoxFrame.h
+++ b/layout/xul/nsLeafBoxFrame.h
@@ -64,7 +64,6 @@ public:
                     nsIFrame*         asPrevInFlow) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual nsresult AttributeChanged(int32_t aNameSpaceID,
diff --git a/layout/xul/nsListItemFrame.cpp b/layout/xul/nsListItemFrame.cpp
index 1776f1b6c..720df3827 100644
--- a/layout/xul/nsListItemFrame.cpp
+++ b/layout/xul/nsListItemFrame.cpp
@@ -39,7 +39,6 @@ nsListItemFrame::GetXULPrefSize(nsBoxLayoutState& aState)
 
 void
 nsListItemFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                             const nsRect&           aDirtyRect,
                                              const nsDisplayListSet& aLists)
 {
   if (aBuilder->IsForEventDelivery()) {
@@ -48,7 +47,7 @@ nsListItemFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
       return;
   }
   
-  nsGridRowLeafFrame::BuildDisplayListForChildren(aBuilder, aDirtyRect, aLists);
+  nsGridRowLeafFrame::BuildDisplayListForChildren(aBuilder, aLists);
 }
 
 // Creation Routine ///////////////////////////////////////////////////////////////////////
diff --git a/layout/xul/nsListItemFrame.h b/layout/xul/nsListItemFrame.h
index 40e731efa..aa41dbbbf 100644
--- a/layout/xul/nsListItemFrame.h
+++ b/layout/xul/nsListItemFrame.h
@@ -20,7 +20,6 @@ public:
   // overridden so that children of listitems don't handle mouse events,
   // unless allowevents="true" is specified on the listitem
   virtual void BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                           const nsRect&           aDirtyRect,
                                            const nsDisplayListSet& aLists) override;
 
   virtual nsSize GetXULPrefSize(nsBoxLayoutState& aState) override;
diff --git a/layout/xul/nsMenuFrame.cpp b/layout/xul/nsMenuFrame.cpp
index 67fcdbe43..6bd5b44ff 100644
--- a/layout/xul/nsMenuFrame.cpp
+++ b/layout/xul/nsMenuFrame.cpp
@@ -356,16 +356,15 @@ nsMenuFrame::DestroyFrom(nsIFrame* aDestructRoot)
 
 void
 nsMenuFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                         const nsRect&           aDirtyRect,
                                          const nsDisplayListSet& aLists)
 {
   if (!aBuilder->IsForEventDelivery()) {
-    nsBoxFrame::BuildDisplayListForChildren(aBuilder, aDirtyRect, aLists);
+    nsBoxFrame::BuildDisplayListForChildren(aBuilder, aLists);
     return;
   }
     
-  nsDisplayListCollection set;
-  nsBoxFrame::BuildDisplayListForChildren(aBuilder, aDirtyRect, set);
+  nsDisplayListCollection set (aBuilder);
+  nsBoxFrame::BuildDisplayListForChildren(aBuilder, set);
   
   WrapListsInRedirector(aBuilder, set, aLists);
 }
diff --git a/layout/xul/nsMenuFrame.h b/layout/xul/nsMenuFrame.h
index 1941ec69e..43cbd0a04 100644
--- a/layout/xul/nsMenuFrame.h
+++ b/layout/xul/nsMenuFrame.h
@@ -101,7 +101,6 @@ public:
 
   // Overridden to prevent events from going to children of the menu.
   virtual void BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                           const nsRect&           aDirtyRect,
                                            const nsDisplayListSet& aLists) override;
                                          
   // this method can destroy the frame
diff --git a/layout/xul/nsRootBoxFrame.cpp b/layout/xul/nsRootBoxFrame.cpp
index fe41dce52..26e94faea 100644
--- a/layout/xul/nsRootBoxFrame.cpp
+++ b/layout/xul/nsRootBoxFrame.cpp
@@ -75,7 +75,6 @@ public:
                                nsEventStatus* aEventStatus) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   /**
@@ -176,14 +175,14 @@ nsRootBoxFrame::Reflow(nsPresContext*           aPresContext,
 
 void
 nsRootBoxFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                 const nsRect&           aDirtyRect,
                                  const nsDisplayListSet& aLists)
 {
   if (mContent && mContent->GetProperty(nsGkAtoms::DisplayPortMargins)) {
     // The XUL document's root element may have displayport margins set in
     // ChromeProcessController::InitializeRoot, and we should to supply the
     // base rect.
-    nsRect displayPortBase = aDirtyRect.Intersect(nsRect(nsPoint(0, 0), GetSize()));
+    nsRect displayPortBase = 
+      aBuilder->GetVisibleRect().Intersect(nsRect(nsPoint(0, 0), GetSize()));
     nsLayoutUtils::SetDisplayPortBase(mContent, displayPortBase);
   }
 
@@ -192,7 +191,7 @@ nsRootBoxFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
   // of a background display list element.
   DisplayBorderBackgroundOutline(aBuilder, aLists, true);
 
-  BuildDisplayListForChildren(aBuilder, aDirtyRect, aLists);
+  BuildDisplayListForChildren(aBuilder, aLists);
 }
 
 nsresult
diff --git a/layout/xul/nsSliderFrame.cpp b/layout/xul/nsSliderFrame.cpp
index 3c1f9ef91..db2218944 100644
--- a/layout/xul/nsSliderFrame.cpp
+++ b/layout/xul/nsSliderFrame.cpp
@@ -311,7 +311,6 @@ nsSliderFrame::AttributeChanged(int32_t aNameSpaceID,
 
 void
 nsSliderFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists)
 {
   if (aBuilder->IsForEventDelivery() && isDraggingThumb()) {
@@ -322,12 +321,11 @@ nsSliderFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
     return;
   }
   
-  nsBoxFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
+  nsBoxFrame::BuildDisplayList(aBuilder, aLists);
 }
 
 void
 nsSliderFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                           const nsRect&           aDirtyRect,
                                            const nsDisplayListSet& aLists)
 {
   // if we are too small to have a thumb don't paint it.
@@ -360,8 +358,8 @@ nsSliderFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
     nsLayoutUtils::SetScrollbarThumbLayerization(thumb, thumbGetsLayer);
 
     if (thumbGetsLayer) {
-      nsDisplayListCollection tempLists;
-      nsBoxFrame::BuildDisplayListForChildren(aBuilder, aDirtyRect, tempLists);
+      nsDisplayListCollection tempLists (aBuilder);
+      nsBoxFrame::BuildDisplayListForChildren(aBuilder, tempLists);
 
       // This is a bit of a hack. Collect up all descendant display items
       // and merge them into a single Content() list.
@@ -382,7 +380,7 @@ nsSliderFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
     }
   }
   
-  nsBoxFrame::BuildDisplayListForChildren(aBuilder, aDirtyRect, aLists);
+  nsBoxFrame::BuildDisplayListForChildren(aBuilder, aLists);
 }
 
 NS_IMETHODIMP
diff --git a/layout/xul/nsSliderFrame.h b/layout/xul/nsSliderFrame.h
index 832065a21..e4b68fc01 100644
--- a/layout/xul/nsSliderFrame.h
+++ b/layout/xul/nsSliderFrame.h
@@ -64,11 +64,9 @@ public:
   virtual void DestroyFrom(nsIFrame* aDestructRoot) override;
 
   virtual void BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                           const nsRect&           aDirtyRect,
                                            const nsDisplayListSet& aLists) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
  
   virtual nsresult AttributeChanged(int32_t aNameSpaceID,
diff --git a/layout/xul/nsSplitterFrame.cpp b/layout/xul/nsSplitterFrame.cpp
index 7879a176d..468ccc682 100644
--- a/layout/xul/nsSplitterFrame.cpp
+++ b/layout/xul/nsSplitterFrame.cpp
@@ -358,10 +358,9 @@ nsSplitterFrame::HandleRelease(nsPresContext* aPresContext,
 
 void
 nsSplitterFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                  const nsRect&           aDirtyRect,
                                   const nsDisplayListSet& aLists)
 {
-  nsBoxFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
+  nsBoxFrame::BuildDisplayList(aBuilder, aLists);
   
   // if the mouse is captured always return us as the frame.
   if (mInner->mDragging)
diff --git a/layout/xul/nsSplitterFrame.h b/layout/xul/nsSplitterFrame.h
index df8872255..fa1c7525f 100644
--- a/layout/xul/nsSplitterFrame.h
+++ b/layout/xul/nsSplitterFrame.h
@@ -68,7 +68,6 @@ public:
                                nsEventStatus* aEventStatus) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual void GetInitialOrientation(bool& aIsHorizontal) override; 
diff --git a/layout/xul/nsStackFrame.cpp b/layout/xul/nsStackFrame.cpp
index 437d558f9..a2ec57adc 100644
--- a/layout/xul/nsStackFrame.cpp
+++ b/layout/xul/nsStackFrame.cpp
@@ -45,7 +45,6 @@ nsStackFrame::nsStackFrame(nsStyleContext* aContext):
 // a bit more.
 void
 nsStackFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                          const nsRect&           aDirtyRect,
                                           const nsDisplayListSet& aLists)
 {
   // BuildDisplayListForChild puts stacking contexts into the PositionedDescendants
@@ -56,8 +55,7 @@ nsStackFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
   nsIFrame* kid = mFrames.FirstChild();
   while (kid) {
     // Force each child into its own true stacking context.
-    BuildDisplayListForChild(aBuilder, kid, aDirtyRect, kidLists,
-                             DISPLAY_CHILD_FORCE_STACKING_CONTEXT);
+    BuildDisplayListForChild(aBuilder, kid, kidLists, DISPLAY_CHILD_FORCE_STACKING_CONTEXT);
     kid = kid->GetNextSibling();
   }
 }
diff --git a/layout/xul/nsStackFrame.h b/layout/xul/nsStackFrame.h
index b90a16b21..a81a62281 100644
--- a/layout/xul/nsStackFrame.h
+++ b/layout/xul/nsStackFrame.h
@@ -33,7 +33,6 @@ public:
 #endif
 
   virtual void BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                           const nsRect&           aDirtyRect,
                                            const nsDisplayListSet& aLists) override;
 
 protected:
diff --git a/layout/xul/nsTextBoxFrame.cpp b/layout/xul/nsTextBoxFrame.cpp
index c82d3d6b9..e1650e0d0 100644
--- a/layout/xul/nsTextBoxFrame.cpp
+++ b/layout/xul/nsTextBoxFrame.cpp
@@ -364,13 +364,12 @@ nsDisplayXULTextBox::GetComponentAlphaBounds(nsDisplayListBuilder* aBuilder)
 
 void
 nsTextBoxFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                 const nsRect&           aDirtyRect,
                                  const nsDisplayListSet& aLists)
 {
     if (!IsVisibleForPainting(aBuilder))
         return;
 
-    nsLeafBoxFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
+    nsLeafBoxFrame::BuildDisplayList(aBuilder, aLists);
     
     aLists.Content()->AppendNewToTop(new (aBuilder)
         nsDisplayXULTextBox(aBuilder, this));
diff --git a/layout/xul/nsTextBoxFrame.h b/layout/xul/nsTextBoxFrame.h
index ca1b88748..e12b97b32 100644
--- a/layout/xul/nsTextBoxFrame.h
+++ b/layout/xul/nsTextBoxFrame.h
@@ -48,7 +48,6 @@ public:
                         bool&          aRedraw);
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual ~nsTextBoxFrame();
diff --git a/layout/xul/nsTitleBarFrame.cpp b/layout/xul/nsTitleBarFrame.cpp
index 2792403dc..2f58abecb 100644
--- a/layout/xul/nsTitleBarFrame.cpp
+++ b/layout/xul/nsTitleBarFrame.cpp
@@ -42,7 +42,6 @@ nsTitleBarFrame::nsTitleBarFrame(nsStyleContext* aContext)
 
 void
 nsTitleBarFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                             const nsRect&           aDirtyRect,
                                              const nsDisplayListSet& aLists)
 {
   // override, since we don't want children to get events
@@ -51,7 +50,7 @@ nsTitleBarFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
                                nsGkAtoms::_true, eCaseMatters))
       return;
   }
-  nsBoxFrame::BuildDisplayListForChildren(aBuilder, aDirtyRect, aLists);
+  nsBoxFrame::BuildDisplayListForChildren(aBuilder, aLists);
 }
 
 nsresult
diff --git a/layout/xul/nsTitleBarFrame.h b/layout/xul/nsTitleBarFrame.h
index 17279c578..594d0978b 100644
--- a/layout/xul/nsTitleBarFrame.h
+++ b/layout/xul/nsTitleBarFrame.h
@@ -19,7 +19,6 @@ public:
   explicit nsTitleBarFrame(nsStyleContext* aContext);
 
   virtual void BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                           const nsRect&           aDirtyRect,
                                            const nsDisplayListSet& aLists) override;
 
   virtual nsresult HandleEvent(nsPresContext* aPresContext,
diff --git a/layout/xul/tree/nsTreeBodyFrame.cpp b/layout/xul/tree/nsTreeBodyFrame.cpp
index deba04a36..608d802ea 100644
--- a/layout/xul/tree/nsTreeBodyFrame.cpp
+++ b/layout/xul/tree/nsTreeBodyFrame.cpp
@@ -2824,7 +2824,6 @@ public:
 // Painting routines
 void
 nsTreeBodyFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                  const nsRect&           aDirtyRect,
                                   const nsDisplayListSet& aLists)
 {
   // REVIEW: why did we paint if we were collapsed? that makes no sense!
@@ -2832,7 +2831,7 @@ nsTreeBodyFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
     return; // We're invisible.  Don't paint.
 
   // Handles painting our background, border, and outline.
-  nsLeafBoxFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
+  nsLeafBoxFrame::BuildDisplayList(aBuilder, aLists);
 
   // Bail out now if there's no view or we can't run script because the
   // document is a zombie
diff --git a/layout/xul/tree/nsTreeBodyFrame.h b/layout/xul/tree/nsTreeBodyFrame.h
index 9620c8ccb..6838b0157 100644
--- a/layout/xul/tree/nsTreeBodyFrame.h
+++ b/layout/xul/tree/nsTreeBodyFrame.h
@@ -177,7 +177,6 @@ public:
                                nsEventStatus* aEventStatus) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual void DidSetStyleContext(nsStyleContext* aOldStyleContext) override;
diff --git a/layout/xul/tree/nsTreeColFrame.cpp b/layout/xul/tree/nsTreeColFrame.cpp
index 649c0b0b4..0bedec086 100644
--- a/layout/xul/tree/nsTreeColFrame.cpp
+++ b/layout/xul/tree/nsTreeColFrame.cpp
@@ -110,16 +110,15 @@ nsDisplayXULTreeColSplitterTarget::HitTest(nsDisplayListBuilder* aBuilder, const
 
 void
 nsTreeColFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                            const nsRect&           aDirtyRect,
                                             const nsDisplayListSet& aLists)
 {
   if (!aBuilder->IsForEventDelivery()) {
-    nsBoxFrame::BuildDisplayListForChildren(aBuilder, aDirtyRect, aLists);
+    nsBoxFrame::BuildDisplayListForChildren(aBuilder, aLists);
     return;
   }
   
-  nsDisplayListCollection set;
-  nsBoxFrame::BuildDisplayListForChildren(aBuilder, aDirtyRect, set);
+  nsDisplayListCollection set (aBuilder);
+  nsBoxFrame::BuildDisplayListForChildren(aBuilder, set);
   
   WrapListsInRedirector(aBuilder, set, aLists);
 
diff --git a/layout/xul/tree/nsTreeColFrame.h b/layout/xul/tree/nsTreeColFrame.h
index 8fc3219d5..ebd16fa52 100644
--- a/layout/xul/tree/nsTreeColFrame.h
+++ b/layout/xul/tree/nsTreeColFrame.h
@@ -26,7 +26,6 @@ public:
   virtual void DestroyFrom(nsIFrame* aDestructRoot) override;
 
   virtual void BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                           const nsRect&           aDirtyRect,
                                            const nsDisplayListSet& aLists) override;
 
   virtual nsresult AttributeChanged(int32_t aNameSpaceID,