Update all Angular libs (run update_all.sh).

third_party/pkg/angular/scripts/perf.sh

Index: third_party/pkg/angular/scripts/perf.sh
diff --git a/third_party/pkg/angular/scripts/perf.sh b/third_party/pkg/angular/scripts/perf.sh
new file mode 100755
index 0000000000000000000000000000000000000000..736c52325a089538031439eb355176cc0f222c4a
--- /dev/null
+++ b/third_party/pkg/angular/scripts/perf.sh
@@ -0,0 +1,17 @@
+#!/bin/bash
+
+. $(dirname $0)/env.sh
+
+# Check for node
+if [ -z "$(which node)" ]; then
+  echo "node.js does not appear to be on the path."
+  echo "You can obtain it from http://nodejs.org"
+  exit 1;
+fi
+
+if dart2js $NGDART_BASE_DIR/perf/mirror_perf.dart -o $NGDART_BASE_DIR/perf/mirror_perf.dart.js > /dev/null ; then
+	echo DART:
+	$DART $NGDART_BASE_DIR/perf/mirror_perf.dart
+	echo JavaScript:
+	node $NGDART_BASE_DIR/perf/mirror_perf.dart.js
+fi