Record method invocation targets that are not procedures.

pkg/front_end/testcases/inference/method_call_with_type_arguments_static_method.dart

 // Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /*@testedFeatures=inference*/
 library test;
 
 class C {
   static D<T> f<T>() => null;
 }
 
 class D<T> {}
 
-var /*@topType=D<int>*/ f = C. /*@target=C::f*/ f<int>();
+var /*@topType=D<int>*/ f = C.f<int>();
+
+main() {}