Adds navigator.registerProtocolHandler.

chrome/browser/custom_handlers/protocol_handler.h

Index: chrome/browser/custom_handlers/protocol_handler.h
diff --git a/chrome/browser/custom_handlers/protocol_handler.h b/chrome/browser/custom_handlers/protocol_handler.h
new file mode 100644
index 0000000000000000000000000000000000000000..026ffe79dd292f19c482a6afa398378ec5688cbb
--- /dev/null
+++ b/chrome/browser/custom_handlers/protocol_handler.h
@@ -0,0 +1,47 @@
+// Copyright (c) 2011 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.
+
+#ifndef CHROME_BROWSER_CUSTOM_HANDLERS_PROTOCOL_HANDLER_H_
+#define CHROME_BROWSER_CUSTOM_HANDLERS_PROTOCOL_HANDLER_H_
+#pragma once
+
+#include <string>
+
+#include "base/values.h"
+#include "googleurl/src/gurl.h"
+
+// A single tuple of (protocol, url, title) that indicates how URLs of the
+// given protocol should be rewritten to be handled.
+
+class ProtocolHandler {
+ public:
+  static ProtocolHandler* CreateProtocolHandler(const std::string& protocol,
+                                                const GURL& url,
+                                                const string16& title);
+  static ProtocolHandler* CreateProtocolHandler(const DictionaryValue* value);
+
+  // Interpolates the given URL into the URL template of this handler.
+  GURL TranslateUrl(const GURL& url);
+
+  // Encodes this protocol handler as a Value. The caller is responsible for
+  // deleting the returned value.
+  Value* Encode();
+
+  std::string protocol() const { return protocol_; }
+  GURL url() const { return url_;}
+  string16 title() const { return title_; }
+
+  bool operator==(const ProtocolHandler &other) const;
+
+ private:
+  ProtocolHandler(const std::string& protocol,
+                  const GURL& url,
+                  const string16& title);
+  const std::string protocol_;
+  const GURL url_;
+  const string16 title_;
+};
+
+#endif  // CHROME_BROWSER_CUSTOM_HANDLERS_PROTOCOL_HANDLER_H_
+