Add stream operators for URLPattern and URLPatternSet and unit test for URLPatternSet

extensions/common/url_pattern.cc

Index: extensions/common/url_pattern.cc
diff --git a/extensions/common/url_pattern.cc b/extensions/common/url_pattern.cc
index 020be3c40dfb4b64cab952257bc90cfddcc9271e..80d4196b8984917e935f281d10cf8c2f711a1c20 100644
--- a/extensions/common/url_pattern.cc
+++ b/extensions/common/url_pattern.cc
@@ -148,6 +148,10 @@ bool URLPattern::operator==(const URLPattern& other) const {
   return GetAsString() == other.GetAsString();
 }
 
+std::ostream& operator<<(std::ostream& out, const URLPattern& url_pattern) {
+  return out << '"' << url_pattern.GetAsString() << '"';

[Jeffrey Yasskin, 2014/05/28 21:06:08]

Similarly, #include <ostream> for this.

[aboxhall, 2014/05/28 22:06:44]

Done.

+}
+
 URLPattern::ParseResult URLPattern::Parse(const std::string& pattern) {
   spec_.clear();
   SetMatchAllURLs(false);