Add common code for extensions event filtering.

chrome/common/extensions/event_filtering_info.cc

Index: chrome/common/extensions/event_filtering_info.cc
diff --git a/chrome/common/extensions/event_filtering_info.cc b/chrome/common/extensions/event_filtering_info.cc
new file mode 100644
index 0000000000000000000000000000000000000000..60ab8cdb999dd919611ab0fb2cddd75d1312b7b9
--- /dev/null
+++ b/chrome/common/extensions/event_filtering_info.cc
@@ -0,0 +1,17 @@
+// 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/event_filtering_info.h"
+
+namespace extensions {
+
+EventFilteringInfo::EventFilteringInfo() {

[Matt Perry, 2012/05/15 20:42:59]

need to init has_url_

[koz (OOO until 15th September), 2012/05/16 00:14:00]

Done.

+}
+
+void EventFilteringInfo::SetURL(const GURL& url) {
+  url_ = url;
+  has_url_ = true;
+}
+
+}  // namespace extensions