[Tracing] Implement IC statistics in tracing.

src/tracing/traced-value.h

Index: src/tracing/traced-value.h
diff --git a/src/tracing/traced-value.h b/src/tracing/traced-value.h
index b5c265cd48831b023abe15ca6f1bfe89b90667f2..8425fad6881e8441a2ed864866ee5177d585e249 100644
--- a/src/tracing/traced-value.h
+++ b/src/tracing/traced-value.h
@@ -27,6 +27,7 @@ class TracedValue : public ConvertableToTraceFormat {
 
   // These methods assume that |name| is a long lived "quoted" string.
   void SetInteger(const char* name, int value);
+  void SetLongInteger(const char* name, int64_t value);
   void SetDouble(const char* name, double value);
   void SetBoolean(const char* name, bool value);
   void SetString(const char* name, const std::string& value);