Removed fixed dependencies

packages/dart_style/test/comments/top_level.unit

 40 columns                              |
 >>> leading whitespace before top comment is deleted
 
 
 // comment
 <<<
 // comment
 >>>
 //comment one
 
@@ skipping 194 matching lines @@
 import 'a.dart'; /* comment */
 import 'b.dart';
 >>> ensure blank line above doc comments
 var a = 1;
 /// doc
 var b = 2;
 <<<
 var a = 1;
 
 /// doc
-var b = 2;
+var b = 2;
+>>> in dotted name
+import 'a' if (/**/a/**/./**/b/**/) 'c';
+<<<
+import 'a'
+    if (/**/ a /**/ . /**/ b /**/) 'c';