Restructure analysis

src/string-stream.h

Index: src/string-stream.h
diff --git a/src/string-stream.h b/src/string-stream.h
index 5f6b906722a735b8b923667e6574f8ab180d52d7..37ae93e2c6f6582dc008263754a3acd61f5955f8 100644
--- a/src/string-stream.h
+++ b/src/string-stream.h
@@ -116,6 +116,11 @@ class StringStream {
   void Add(const char* format, FmtElm arg0);
   void Add(const char* format, FmtElm arg0, FmtElm arg1);
   void Add(const char* format, FmtElm arg0, FmtElm arg1, FmtElm arg2);
+  void Add(const char* format,
+           FmtElm arg0,
+           FmtElm arg1,
+           FmtElm arg2,
+           FmtElm arg3);
 
   // Getting the message out.
   void OutputToStdOut();