Fix canonicalization tests that were surprisingly timing out in chrome-34.

pkg/polymer/example/canonicalization3/lib/g.html

Index: pkg/polymer/example/canonicalization3/lib/g.html
diff --git a/pkg/polymer/example/canonicalization3/lib/g.html b/pkg/polymer/example/canonicalization3/lib/g.html
index af83397ee00347b74c4b0142e638437a2de4f2e5..ab73db550594e48aaf3ef083b23c4df7f40922fb 100644
--- a/pkg/polymer/example/canonicalization3/lib/g.html
+++ b/pkg/polymer/example/canonicalization3/lib/g.html
@@ -5,6 +5,6 @@ BSD-style license that can be found in the LICENSE file.
 -->
 <!--
 Because this file is under lib/, this URL is broken. It should be either
-'b.html' or '../../packages/canonicalization/b.html'.
+'b.html' or '../../packages/canonicalization3/b.html'.
  -->
-<link rel="import" href="packages/canonicalization/b.html">
+<link rel="import" href="packages/canonicalization3/b.html">