Adds navigator.registerProtocolHandler.

chrome/browser/custom_handlers/protocol_handler.cc

Index: chrome/browser/custom_handlers/protocol_handler.cc
diff --git a/chrome/browser/custom_handlers/protocol_handler.cc b/chrome/browser/custom_handlers/protocol_handler.cc
new file mode 100644
index 0000000000000000000000000000000000000000..1b60be60d8da1bae017eec8a697cc1ec91439af5
--- /dev/null
+++ b/chrome/browser/custom_handlers/protocol_handler.cc
@@ -0,0 +1,57 @@
+// 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.
+
+#include "chrome/browser/custom_handlers/protocol_handler.h"
+
+#include "base/string_util.h"
+#include "net/base/escape.h"
+
+ProtocolHandler::ProtocolHandler(const std::string& protocol,
+                                 const GURL& url,
+                                 const string16& title)
+  : protocol_(protocol),
+    url_(url),
+    title_(title) {
+}
+
+ProtocolHandler* ProtocolHandler::CreateProtocolHandler(
+    const std::string& protocol,
+    const GURL& url,
+    const string16& title) {
+  std::string lower_protocol(protocol);
+  lower_protocol = StringToLowerASCII(protocol);
+  return new ProtocolHandler(lower_protocol, url, title);
+}
+
+ProtocolHandler* ProtocolHandler::CreateProtocolHandler(
+    const DictionaryValue* value) {
+  std::string protocol, url;
+  string16 title;
+  value->GetString("protocol", &protocol);
+  value->GetString("url", &url);
+  value->GetString("title", &title);
+  return ProtocolHandler::CreateProtocolHandler(protocol, GURL(url), title);
+}
+
+GURL ProtocolHandler::TranslateUrl(const GURL& url) {
+  std::string translatedUrlSpec(url_.spec());
+  ReplaceSubstringsAfterOffset(&translatedUrlSpec, 0, "%s",
+      EscapeQueryParamValue(url.spec(), true));
+  return GURL(translatedUrlSpec);
+}
+
+Value* ProtocolHandler::Encode() {
+  DictionaryValue* d = new DictionaryValue();
+  d->Set("protocol", Value::CreateStringValue(protocol_));
+  d->Set("url", Value::CreateStringValue(url_.spec()));
+  d->Set("title", Value::CreateStringValue(title_));
+  return d;
+}
+
+bool ProtocolHandler::operator==(const ProtocolHandler &other) const {
+  return protocol_ == other.protocol_ &&
+    url_ == other.url_ &&
+    title_ == other.title_;
+}
+