Roll Observatory packages and add a roll script

packages/petitparser/lib/src/debug/profile.dart

Index: packages/petitparser/lib/src/debug/profile.dart
diff --git a/petitparser/lib/src/debug/profile.dart b/packages/petitparser/lib/src/debug/profile.dart
similarity index 50%
rename from petitparser/lib/src/debug/profile.dart
rename to packages/petitparser/lib/src/debug/profile.dart
index 7c285567dd41f2ae4138f969d93883b68cfc59d8..b4e442479eea2c5b0a7b7da6cb5926c44f1b7953 100644
--- a/petitparser/lib/src/debug/profile.dart
+++ b/packages/petitparser/lib/src/debug/profile.dart
@@ -1,25 +1,23 @@
-part of debug;
+part of petitparser.debug;
 
-/**
- * Returns a transformed [parser] that when being used measures
- * the activation count and total time of each parser.
- *
- * For example, the snippet
- *
- *     var parser = letter() & word().star();
- *     profile(parser).parse('f1234567890');
- *
- * produces the following output:
- *
- *      1  2006  Instance of 'SequenceParser'
- *      1   697  Instance of 'PossessiveRepeatingParser'[0..*]
- *     11   406  Instance of 'CharacterParser'[letter or digit expected]
- *      1   947  Instance of 'CharacterParser'[letter expected]
- *
- * The first number refers to the number of activations of each parser, and
- * the second number is the microseconds spent in this parser and all its
- * children.
- */
+/// Returns a transformed [parser] that when being used measures
+/// the activation count and total time of each parser.
+///
+/// For example, the snippet
+///
+///     var parser = letter() & word().star();
+///     profile(parser).parse('f1234567890');
+///
+/// produces the following output:
+///
+///      1  2006  Instance of 'SequenceParser'
+///      1   697  Instance of 'PossessiveRepeatingParser'[0..*]
+///     11   406  Instance of 'CharacterParser'[letter or digit expected]
+///      1   947  Instance of 'CharacterParser'[letter expected]
+///
+/// The first number refers to the number of activations of each parser, and
+/// the second number is the microseconds spent in this parser and all its
+/// children.
 Parser profile(Parser root, [OutputHandler output = print]) {
   var count = new Map();
   var watch = new Map();
@@ -42,7 +40,7 @@ Parser profile(Parser root, [OutputHandler output = print]) {
     parsers.forEach((parser) {
       output('${count[parser]}\t'
           '${watch[parser].elapsedMicroseconds}\t'
-          '${parser}');
+          '$parser');
     });
     return result;
   });