DM+nanobench: print both current and max RSS.

tools/ProcStats.h

Index: tools/ProcStats.h
diff --git a/tools/ProcStats.h b/tools/ProcStats.h
index f085fe31a6ff532044928b32a04e567a1be6a5a8..344b304ba3d6335376ff82385499017dfa877af7 100644
--- a/tools/ProcStats.h
+++ b/tools/ProcStats.h
@@ -26,16 +26,6 @@ int getMaxResidentSetSizeMB();
  */
 int getCurrResidentSetSizeMB();
 
-/**
- *  If implemented, returns getCurrResidentSetSizeMB().
- *  If not, if implemented, returns getMaxResidentSetSizeMB().
- *  If not, returns -1.
- */
-inline int getBestResidentSetSizeMB() {
-    int mb = getCurrResidentSetSizeMB();
-    return mb >= 0 ? mb : getMaxResidentSetSizeMB();
-}
-
 }  // namespace sk_tools
 
 #endif  // ProcStats_DEFINED