pull up from anonymous: check for base class type instead of extends list

java/java-tests/testData/refactoring/pullUp/PullUpFromAnonymousToInterface_after.java

@@ -0,0 +1,12 @@
+class Test {
+  {
+    I i = new I() {
+      @Override
+      public void foo() {}
+    };
+  }
+
+  interface I {
+      void foo();
+  }
+}