added two additional methods for capturing and dumping of reflow stats

layout/base/nsIPresShell.h

@@ -392,6 +392,8 @@ public:
 
 
 #ifdef MOZ_REFLOW_PERF
+  NS_IMETHOD ClearTotals() = 0;
+  NS_IMETHOD DumpReflows() = 0;
   NS_IMETHOD CountReflows(const char * aName, PRUint32 aType) = 0;
 #endif
 

layout/base/public/nsIPresShell.h

@@ -392,6 +392,8 @@ public:
 
 
 #ifdef MOZ_REFLOW_PERF
+  NS_IMETHOD ClearTotals() = 0;
+  NS_IMETHOD DumpReflows() = 0;
   NS_IMETHOD CountReflows(const char * aName, PRUint32 aType) = 0;
 #endif