Reimplemented SizeOf methods in some of the frame classes; partial rework of first-line handling snapshot

git-svn-id: svn://10.0.0.236/trunk@45274 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/layout/generic/nsSplittableFrame.cpp

@@ -193,4 +193,15 @@ nsSplittableFrame::DumpBaseRegressionData(FILE* out, PRInt32 aIndent)
     IndentBy(out, aIndent);
     fprintf(out, "<prev-in-flow va=\"%ld\"/>\n", PRUptrdiff(mPrevInFlow));
   }
+
+}
+
+NS_IMETHODIMP
+nsSplittableFrame::SizeOf(nsISizeOfHandler* aHandler, PRUint32* aResult) const
+{
+  if (aResult) {
+    *aResult = sizeof(*this);
+    return NS_OK;
+  }
+  return NS_ERROR_NULL_POINTER;
 }