Ignore title parameter for navigator.registerProtocolHandler.

content/browser/web_contents/web_contents_impl.cc

 // 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 "content/browser/web_contents/web_contents_impl.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 2649 matching lines @@
                                                 const base::string16& title,
                                                 bool user_gesture) {
   if (!delegate_)
     return;
 
   ChildProcessSecurityPolicyImpl* policy =
       ChildProcessSecurityPolicyImpl::GetInstance();
   if (policy->IsPseudoScheme(protocol))
     return;
 
-  delegate_->RegisterProtocolHandler(this, protocol, url, title, user_gesture);
+  delegate_->RegisterProtocolHandler(this, protocol, url, user_gesture);
 }
 
 void WebContentsImpl::OnFindReply(int request_id,
                                   int number_of_matches,
                                   const gfx::Rect& selection_rect,
                                   int active_match_ordinal,
                                   bool final_update) {
   if (delegate_) {
     delegate_->FindReply(this, request_id, number_of_matches, selection_rect,
                          active_match_ordinal, final_update);
@@ skipping 1289 matching lines @@
 
 void WebContentsImpl::OnPreferredSizeChanged(const gfx::Size& old_size) {
   if (!delegate_)
     return;
   const gfx::Size new_size = GetPreferredSize();
   if (new_size != old_size)
     delegate_->UpdatePreferredSize(this, new_size);
 }
 
 }  // namespace content