Display call site data for functions.

runtime/vm/parser.h

Index: runtime/vm/parser.h
diff --git a/runtime/vm/parser.h b/runtime/vm/parser.h
index 0054c934e8d90ded56ad1ac040bb78f683d44dfc..6d42fae564b0cbcfcc8869e889578413520ad429 100644
--- a/runtime/vm/parser.h
+++ b/runtime/vm/parser.h
@@ -696,7 +696,9 @@ class Parser : public ValueObject {
   AstNode* ParseStaticCall(const Class& cls,
                            const String& method_name,
                            intptr_t ident_pos);
-  AstNode* ParseInstanceCall(AstNode* receiver, const String& method_name);
+  AstNode* ParseInstanceCall(AstNode* receiver,
+                             const String& method_name,
+                             intptr_t ident_pos);
   AstNode* ParseClosureCall(AstNode* closure);
   AstNode* GenerateStaticFieldLookup(const Field& field,
                                      intptr_t ident_pos);