Bug 325093. Fix clip rect interpretation so print/print preview page clipping works. r+sr=dbaron

layout/generic/nsPageContentFrame.cpp

@@ -181,5 +181,5 @@ nsPageContentFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
   nsresult rv = nsContainerFrame::BuildDisplayList(aBuilder, aDirtyRect, set);
   NS_ENSURE_SUCCESS(rv, rv);
 
-  return Clip(aBuilder, set, aLists, rect);
+  return Clip(aBuilder, set, aLists, rect + aBuilder->ToReferenceFrame(this));
 }

layout/generic/nsPageFrame.cpp

@@ -573,7 +573,8 @@ nsPageFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
 #ifdef DEBUG_PRINTING
     printf("*** ClipRect: %5d,%5d,%5d,%5d\n", mClipRect.x, mClipRect.y, mClipRect.width, mClipRect.height);
 #endif
-    return Clip(aBuilder, set, aLists, mClipRect);
+    return Clip(aBuilder, set, aLists,
+                mClipRect + aBuilder->ToReferenceFrame(this));
   }
 
   set.MoveTo(aLists);