Adds navigator.registerProtocolHandler.

chrome/common/render_messages_internal.h

 // 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 <map>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "build/build_config.h"
@@ skipping 2510 matching lines @@
 // The currently displayed PDF has an unsupported feature.
 IPC_MESSAGE_ROUTED0(ViewHostMsg_PDFHasUnsupportedFeature)
 
 // JavaScript related messages -----------------------------------------------
 
 // Notify the JavaScript engine in the render to change its parameters
 // while performing stress testing.
 IPC_MESSAGE_ROUTED2(ViewMsg_JavaScriptStressTestControl,
                     int /* cmd */,
                     int /* param */)
+
+// Register protocol handler --------------------------------------------------
+
+IPC_MESSAGE_ROUTED3(ViewHostMsg_RegisterProtocolHandler,
+                                        std::string /* scheme */,
+                                        std::string /* url */,
+                                        std::string /* title */)

[tony, 2011/02/07 20:51:45]

I would pass title as string16 to avoid ambiguity in the encoding.

[koz (OOO until 15th September), 2011/02/13 22:33:48]

Done.