Remove "ftp://ftp." prefix from the URL prefix list.

components/autocomplete/url_prefix.cc

 // Copyright 2014 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 "components/autocomplete/url_prefix.h"
 
 #include "base/basictypes.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 
@@ skipping 21 matching lines @@
     : prefix(prefix),
       num_components(num_components) {
 }
 
 // static
 const URLPrefixes& URLPrefix::GetURLPrefixes() {
   CR_DEFINE_STATIC_LOCAL(URLPrefixes, prefixes, ());
   if (prefixes.empty()) {
     prefixes.push_back(URLPrefix(base::ASCIIToUTF16("https://www."), 2));
     prefixes.push_back(URLPrefix(base::ASCIIToUTF16("http://www."), 2));
-    prefixes.push_back(URLPrefix(base::ASCIIToUTF16("ftp://ftp."), 2));
     prefixes.push_back(URLPrefix(base::ASCIIToUTF16("ftp://www."), 2));
     prefixes.push_back(URLPrefix(base::ASCIIToUTF16("https://"), 1));
     prefixes.push_back(URLPrefix(base::ASCIIToUTF16("http://"), 1));
     prefixes.push_back(URLPrefix(base::ASCIIToUTF16("ftp://"), 1));
     prefixes.push_back(URLPrefix(base::string16(), 0));
   }
   return prefixes;
 }
 
 // static
@@ skipping 38 matching lines @@
   if (!best_prefix && !fixed_up_input.empty() && (fixed_up_input != input)) {
     best_prefix = allow_www_prefix_without_scheme ?
         BestURLPrefixWithWWWCase(text, fixed_up_input) :
         BestURLPrefix(text, fixed_up_input);
     matching_string = &fixed_up_input;
   }
   return (best_prefix != NULL) ?
       (best_prefix->prefix.length() + matching_string->length()) :
       base::string16::npos;
 }