Add 'meaning' to Intl.messages

pkg/intl/test/message_extraction/sample_with_messages.dart

Index: pkg/intl/test/message_extraction/sample_with_messages.dart
diff --git a/pkg/intl/test/message_extraction/sample_with_messages.dart b/pkg/intl/test/message_extraction/sample_with_messages.dart
index ede8896902a656090f88c08f9b346773b7480011..d47c639c9768aa3f83cfeeb293d0c8d81f12c045 100644
--- a/pkg/intl/test/message_extraction/sample_with_messages.dart
+++ b/pkg/intl/test/message_extraction/sample_with_messages.dart
@@ -110,6 +110,13 @@ nestedOuter(number, gen) => Intl.plural(number,
     name: 'nestedOuter',
     args: [number, gen]);
 
+/// Distinguish two messages with identical text using the meaning parameter.
+rentToBePaid() => Intl.message("rent", name: "rentToBePaid",
+    meaning: 'Money for rent', desc: "Money to be paid for rent");
+
+rentAsVerb() => Intl.message("rent", name: "rentAsVerb",
+    meaning: 'rent as a verb', desc: "The action of renting, as in rent a car");
+
 printStuff(Intl locale) {
 
   // Use a name that's not a literal so this will get skipped. Then we have
@@ -193,6 +200,8 @@ printStuff(Intl locale) {
     printOut(nestedSelect("CDN", 2));
     printOut(pluralThatFailsParsing(1));
     printOut(pluralThatFailsParsing(2));
+    printOut(rentAsVerb());
+    printOut(rentToBePaid());
   });
 }