[type-profile] Handle returns correctly.

test/message/type-profile/collect-type-profile.js

Index: test/message/type-profile/collect-type-profile.js
diff --git a/test/message/type-profile/collect-type-profile.js b/test/message/type-profile/collect-type-profile.js
index d6876743c6f3085e60c5224c6a3ffbf3637524ab..d42e2366b37acbc1ae07b4a570a2193331ecd5d4 100644
--- a/test/message/type-profile/collect-type-profile.js
+++ b/test/message/type-profile/collect-type-profile.js
@@ -39,7 +39,6 @@ function testReturnOfNonVariable() {
 }
 
 // Return statement is reached but its expression is never really returned.
-// TODO(franzih): The only return type should be 'string'.
 function try_finally() {
   try {
     return 23;
@@ -50,7 +49,6 @@ function try_finally() {
 try_finally();
 %PrintTypeProfile(try_finally);
 
-// TODO(franzih): 'undefined' should be the return type.
 function fall_off() {
   //nothing
 }