Fix some case-insensitive cases for StartsWith

components/omnibox/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/omnibox/url_prefix.h"
 
 #include "base/basictypes.h"
+#include "base/i18n/case_conversion.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 
 namespace {
 
 // Like URLPrefix::BestURLPrefix() except also handles the prefix of
 // "www.".
 const URLPrefix* BestURLPrefixWithWWWCase(
     const base::string16& text,
     const base::string16& prefix_suffix) {
@@ skipping 46 matching lines @@
   for (URLPrefixes::const_iterator i = list.begin(); i != list.end(); ++i)
     if (PrefixMatch(*i, text, prefix_suffix))
       return &(*i);
   return NULL;
 }
 
 // static
 bool URLPrefix::PrefixMatch(const URLPrefix& prefix,
                             const base::string16& text,
                             const base::string16& prefix_suffix) {
-  return base::StartsWith(text, prefix.prefix + prefix_suffix, false);
+  return base::StartsWith(
+      base::i18n::ToLower(text),
+      base::i18n::ToLower(prefix.prefix + prefix_suffix),
+      base::CompareCase::SENSITIVE);
 }
 
 // static
 size_t URLPrefix::GetInlineAutocompleteOffset(
     const base::string16& input,
     const base::string16& fixed_up_input,
     const bool allow_www_prefix_without_scheme,
     const base::string16& text) {
   const URLPrefix* best_prefix = allow_www_prefix_without_scheme ?
       BestURLPrefixWithWWWCase(text, input) : BestURLPrefix(text, input);
   const base::string16* matching_string = &input;
   // If we failed to find a best_prefix initially, try again using a fixed-up
   // version of the user input.  This is especially useful to get about: URLs
   // to inline against chrome:// shortcuts.  (about: URLs are fixed up to the
   // chrome:// scheme.)
   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;
 }