Merge SourceLocation and Source

pkg/dartdoc/lib/src/dartdoc/comment_map.dart

Index: pkg/dartdoc/lib/src/dartdoc/comment_map.dart
diff --git a/pkg/dartdoc/lib/src/dartdoc/comment_map.dart b/pkg/dartdoc/lib/src/dartdoc/comment_map.dart
index 27dd1dd1f2b5dec99ceb7d20cb0ce5cd5ea8b900..8f5894085bb20216e37add451bc9fe4a5f340696 100644
--- a/pkg/dartdoc/lib/src/dartdoc/comment_map.dart
+++ b/pkg/dartdoc/lib/src/dartdoc/comment_map.dart
@@ -31,8 +31,8 @@ class CommentMap {
   String find(SourceLocation span) {
     if (span == null) return null;
 
-    _ensureFileParsed(span.source);
-    String comment = _comments[span.source.uri.toString()][span.start];
+    _ensureFileParsed(span);
+    String comment = _comments[span.sourceUri.toString()][span.offset];
     assert(comment == null || !comment.trim().isEmpty);
     return comment;
   }
@@ -43,22 +43,22 @@ class CommentMap {
    *
    * If a comment is returned, it is guaranteed to be non-empty.
    */
-  String findLibrary(Source source) {
+  String findLibrary(SourceLocation source) {
     _ensureFileParsed(source);
-    String comment = _libraryComments[source.uri.toString()];
+    String comment = _libraryComments[source.sourceUri.toString()];
     assert(comment == null || !comment.trim().isEmpty);
     return comment;
   }
 
-  _ensureFileParsed(Source source) {
-    _comments.putIfAbsent(source.uri.toString(), () =>
+  _ensureFileParsed(SourceLocation source) {
+    _comments.putIfAbsent(source.sourceUri.toString(), () =>
         _parseComments(source));
   }
 
-  _parseComments(Source source) {
+  _parseComments(SourceLocation source) {
     final comments = new Map<int, String>();
 
-    final scanner = new dart2js.StringScanner(source.text,
+    final scanner = new dart2js.StringScanner(source.sourceText,
                                               includeComments: true);
     var lastComment = null;
 
@@ -83,7 +83,7 @@ class CommentMap {
         // Look for #library() to find the library comment.
         final next = token.next;
         if ((lastComment != null) && (next.stringValue == 'library')) {
-          _libraryComments[source.uri.toString()] = lastComment;
+          _libraryComments[source.sourceUri.toString()] = lastComment;
           lastComment = null;
         }
       } else if (lastComment != null) {