Added a test for dump-info with lots of closures.

sdk/lib/_internal/compiler/implementation/dump_info.dart

Index: sdk/lib/_internal/compiler/implementation/dump_info.dart
diff --git a/sdk/lib/_internal/compiler/implementation/dump_info.dart b/sdk/lib/_internal/compiler/implementation/dump_info.dart
index a5e52e54a15dcda0ba69281699a638c3124b8125..f2c0b758755bdac4b122f6da880a0b94af2f42ba 100644
--- a/sdk/lib/_internal/compiler/implementation/dump_info.dart
+++ b/sdk/lib/_internal/compiler/implementation/dump_info.dart
@@ -192,9 +192,9 @@ class ElementToJsonVisitor extends ElementVisitor<Map<String, dynamic>> {
     List<String> children = [];
     StringBuffer emittedCode = compiler.dumpInfoTask.codeOf(element);
 
-    // If a field has an empty inferred type it is never used.
     TypeMask inferredType =
       compiler.typesTask.getGuaranteedTypeOfElement(element);

[sra1, 2014/08/13 21:45:26]

indent by +4 when breaking an expression

[Ty Overby (Google), 2014/08/13 22:00:31]

Done.

+    // If a field has an empty inferred type it is never used.
     if (inferredType == null || inferredType.isEmpty || element.isConst) {
       return null;
     }