1 files changed, 13 insertions, 12 deletions
diff --git a/layout/base/nsDisplayList.h b/layout/base/nsDisplayList.h
index 9cee7b517d..e4fb57e8ad 100644
--- a/layout/base/nsDisplayList.h
+++ b/layout/base/nsDisplayList.h
@@ -444,6 +444,10 @@ public:
    * BuildDisplayList on right now).
    */
   const nsRect& GetDirtyRect() { return mDirtyRect; }
+
+  void SetDirtyRect(const nsRect& aDirtyRect) { mDirtyRect = aDirtyRect; }
+  void IntersectDirtyRect(const nsRect& aDirtyRect) { mDirtyRect.IntersectRect(mDirtyRect, aDirtyRect); }
+
   const nsIFrame* GetCurrentFrame() { return mCurrentFrame; }
   const nsIFrame* GetCurrentReferenceFrame() { return mCurrentReferenceFrame; }
   const nsPoint& GetCurrentFrameOffsetToReferenceFrame() { return mCurrentOffsetToReferenceFrame; }
@@ -493,11 +497,10 @@ public:
   /**
    * Display the caret if needed.
    */
-  void DisplayCaret(nsIFrame* aFrame, const nsRect& aDirtyRect,
-                    nsDisplayList* aList) {
+  void DisplayCaret(nsIFrame* aFrame, nsDisplayList* aList) {
     nsIFrame* frame = GetCaretFrame();
     if (aFrame == frame) {
-      frame->DisplayCaret(this, aDirtyRect, aList);
+      frame->DisplayCaret(this, aList);
     }
   }
   /**
@@ -602,8 +605,7 @@ public:
    * destroyed.
    */
   void MarkFramesForDisplayList(nsIFrame* aDirtyFrame,
-                                const nsFrameList& aFrames,
-                                const nsRect& aDirtyRect);
+                                const nsFrameList& aFrames);
   /**
    * Mark all child frames that Preserve3D() as needing display.
    * Because these frames include transforms set on their parent, dirty rects
@@ -700,8 +702,8 @@ public:
   friend class AutoBuildingDisplayList;
   class AutoBuildingDisplayList {
   public:
-    AutoBuildingDisplayList(nsDisplayListBuilder* aBuilder,
-                            nsIFrame* aForChild,
+
+    AutoBuildingDisplayList(nsDisplayListBuilder* aBuilder, nsIFrame* aForChild,
                             const nsRect& aDirtyRect, bool aIsRoot)
       : mBuilder(aBuilder),
         mPrevFrame(aBuilder->mCurrentFrame),
@@ -1120,11 +1122,11 @@ public:
     Preserves3DContext mSavedCtx;
   };
 
-  const nsRect GetPreserves3DDirtyRect(const nsIFrame *aFrame) const {
+  const nsRect GetPreserves3DRects() const {
     return mPreserves3DCtx.mDirtyRect;
   }
-  void SetPreserves3DDirtyRect(const nsRect &aDirtyRect) {
-    mPreserves3DCtx.mDirtyRect = aDirtyRect;
+  void SavePreserves3DRects() {
+    mPreserves3DCtx.mDirtyRect = mDirtyRect;
   }
 
   bool IsBuildingInvisibleItems() const { return mBuildingInvisibleItems; }
@@ -1133,8 +1135,7 @@ public:
   }
 
 private:
-  void MarkOutOfFlowFrameForDisplay(nsIFrame* aDirtyFrame, nsIFrame* aFrame,
-                                    const nsRect& aDirtyRect);
+  void MarkOutOfFlowFrameForDisplay(nsIFrame* aDirtyFrame, nsIFrame* aFrame);
 
   /**
    * Returns whether a frame acts as an animated geometry root, optionally