Highlight test headings with -pcolor.

dart/tools/testing/dart/test_progress.dart

Index: dart/tools/testing/dart/test_progress.dart
diff --git a/dart/tools/testing/dart/test_progress.dart b/dart/tools/testing/dart/test_progress.dart
index 1f1f55702609dbaac0b231f361c002e50877f91a..50192ce883aa8b15427383dcb8f042f7652a4b0b 100644
--- a/dart/tools/testing/dart/test_progress.dart
+++ b/dart/tools/testing/dart/test_progress.dart
@@ -115,10 +115,13 @@ class ProgressIndicator {
     return '${_padTime(min)}:${_padTime(sec)}';
   }
 
+  String _header(String header) => header;
+
   void _printFailureOutput(TestCase test) {
     List<String> output = new List<String>();
     output.add('');
-    output.add('FAILED: ${test.configurationString} ${test.displayName}');
+    output.add(_header('FAILED: ${test.configurationString}'
+                       ' ${test.displayName}'));
     StringBuffer expected = new StringBuffer();
     expected.add('Expected: ');
     for (var expectation in test.expectedOutcomes) {
@@ -276,6 +279,7 @@ class ColorProgressIndicator extends CompactIndicator {
   ColorProgressIndicator(Date startTime, bool printTiming)
       : super(startTime, printTiming);
 
+  static int BOLD = 1;
   static int GREEN = 32;
   static int RED = 31;
   static int NONE = 0;
@@ -303,6 +307,12 @@ class ColorProgressIndicator extends CompactIndicator {
     progressLine.addAll(']'.charCodes());
     stdout.write(progressLine);
   }
+
+  String _header(String header) {
+    var result = [];
+    addColorWrapped(result, header, BOLD);
+    return new String.fromCharCodes(result);
+  }
 }