Get code to format from 'overlayState' or from the Source.

pkg/analyzer/lib/src/dart/analysis/driver.dart

Index: pkg/analyzer/lib/src/dart/analysis/driver.dart
diff --git a/pkg/analyzer/lib/src/dart/analysis/driver.dart b/pkg/analyzer/lib/src/dart/analysis/driver.dart
index 20e6958ba1378466092e4fb86e5347b1b328cd7d..0663810e4ab71716e65ec3ec45e8a8d5fcf189f0 100644
--- a/pkg/analyzer/lib/src/dart/analysis/driver.dart
+++ b/pkg/analyzer/lib/src/dart/analysis/driver.dart
@@ -846,7 +846,7 @@ class PerformanceLog {
    */
   void writeln(String msg) {
     String indent = '\t' * _level;
-    sink.writeln('$indent$msg');
+//    sink.writeln('$indent$msg');

[Brian Wilkerson, 2016/10/31 20:17:23]

I don't understand this change. Why are we not writing to the sink? And if we're
not going to write, why not also comment out the unused variable?

[scheglov, 2016/10/31 20:42:38]

I forgot to roll this change back.

   }
 }