The search terms are escaped using + or %20 for space depending on whether re...

chrome/renderer/render_view.cc

 // Copyright (c) 2010 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/renderer/render_view.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 2879 matching lines @@
   GURL::Replacements remove_params;
   remove_params.ClearUsername();
   remove_params.ClearPassword();
   remove_params.ClearQuery();
   remove_params.ClearRef();
   const GURL url_to_send = failed_url.ReplaceComponents(remove_params);
 
   // Construct the query params to send to link doctor.
   std::string params(alternate_error_page_url_.query());
   params.append("&url=");
-  params.append(EscapeQueryParamValue(url_to_send.spec()));
+  params.append(EscapeQueryParamValue(url_to_send.spec(), true));
   params.append("&sourceid=chrome");
   params.append("&error=");
   switch (error_type) {
     case DNS_ERROR:
       params.append("dnserror");
       break;
 
     case HTTP_404:
       params.append("http404");
       break;
@@ skipping 1101 matching lines @@
 
   message->EnableMessagePumping();  // Runs a nested message loop.
   bool rv = Send(message);
 
   PluginChannelHost::Broadcast(
       new PluginMsg_ResetModalDialogEvent(host_window_));
 
   return rv;
 }