Event matching by regular expression matching on URLs.

chrome/common/extensions/matcher/string_pattern.cc

Index: chrome/common/extensions/matcher/string_pattern.cc
diff --git a/chrome/common/extensions/matcher/string_pattern.cc b/chrome/common/extensions/matcher/string_pattern.cc
new file mode 100644
index 0000000000000000000000000000000000000000..673ed566fb6f3dff23869a9f9afa38c7d383a09b
--- /dev/null
+++ b/chrome/common/extensions/matcher/string_pattern.cc
@@ -0,0 +1,20 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/common/extensions/matcher/string_pattern.h"
+
+namespace extensions {
+
+StringPattern::StringPattern(const std::string& pattern,
+                             StringPattern::ID id)
+    : pattern_(pattern), id_(id) {}
+
+StringPattern::~StringPattern() {}
+
+bool StringPattern::operator<(const StringPattern& rhs) const {
+  if (id_ != rhs.id_) return id_ < rhs.id_;
+  return pattern_ < rhs.pattern_;
+}
+
+}  // namespace extensions