Backed out changeset 3eab9fd44dda (bug 1425550) for build bustages on build/src/layout/base/nsLayoutUtils.cpp:3888:21 r=backout on a CLOSED TREE

layout/base/nsLayoutUtils.cpp

@@ -3884,8 +3884,7 @@ nsLayoutUtils::PaintFrame(gfxContext* aRenderingContext, nsIFrame* aFrame,
             beforeMergeChecker.Dump(ss);
             ss << "\n\n*** after-merge retained display items:";
             afterMergeChecker.Dump(ss);
-            fprintf(stderr, "%s\n\n*** Frame tree:\n", ss.str().c_str());
-            aFrame->DumpFrameTree();
+            fprintf(stderr, "%s\n\n", ss.str().c_str());
           }
         }
       }