Display call site data for functions.

runtime/vm/service.cc

Index: runtime/vm/service.cc
diff --git a/runtime/vm/service.cc b/runtime/vm/service.cc
index 0a638c1f972a6d2dd43d2937d5f8fb5a65e7198b..fa70a91c14fad0f2981882268e5e48ce7ac30b37 100644
--- a/runtime/vm/service.cc
+++ b/runtime/vm/service.cc
@@ -1541,14 +1541,12 @@ static bool GetCallSiteData(Isolate* isolate, JSONStream* js) {
     jsobj.AddProperty("type", "_CallSiteData");
     jsobj.AddProperty("function", func);
     JSONArray elements(&jsobj, "callSites");
-    Smi& line = Smi::Handle();
-    Smi& column = Smi::Handle();
     ICData& ic_data = ICData::Handle();
+    Smi& token_pos = Smi::Handle();
     for (intptr_t i = 0; i < ics.Length();) {
       ic_data ^= ics.At(i++);
-      line ^= ics.At(i++);
-      column ^= ics.At(i++);
-      ic_data.PrintToJSONArray(&elements, line.Value(), column.Value());
+      token_pos ^= ics.At(i++);
+      ic_data.PrintToJSONArray(&elements, token_pos.Value());
     }
     return true;
   }