Bug 551637. collapseOffsetProperty is never used. r=mats

content/base/src/nsGkAtomList.h

@@ -1658,7 +1658,6 @@ GK_ATOM(volumechange, "volumechange")
 // Frame property names
 GK_ATOM(boxMetricsProperty, "BoxMetricsProperty") // nsBoxLayoutMetrics*
 GK_ATOM(changeListProperty, "ChangeListProperty") // void*
-GK_ATOM(collapseOffsetProperty, "CollapseOffsetProperty")  // nsPoint*
 GK_ATOM(computedOffsetProperty, "ComputedOffsetProperty")  // nsPoint*
 GK_ATOM(floatContinuationProperty, "FloatContinuationProperty") // nsFrameList*
 GK_ATOM(floatRegionProperty, "FloatRegionProperty") // nsRect*

layout/tables/nsTableFrame.cpp

@@ -7258,11 +7258,7 @@ nsTableFrame::GetProperty(nsIFrame*            aFrame,
     // The property isn't set yet, so allocate a new value, set the property,
     // and return the newly allocated value
     NSPropertyDtorFunc dtorFunc = nsnull;
-    if (aPropertyName == nsGkAtoms::collapseOffsetProperty) {
-      value = new nsPoint(0, 0);
-      dtorFunc = DestroyPointFunc;
-    }
-    else if (aPropertyName == nsGkAtoms::rowUnpaginatedHeightProperty) {
+    if (aPropertyName == nsGkAtoms::rowUnpaginatedHeightProperty) {
       value = new nscoord;
       dtorFunc = DestroyCoordFunc;
     }