Move StringToUpperASCII and LowerCaseEqualsASCII to the base namespace

components/url_fixer/url_fixer.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 "components/url_fixer/url_fixer.h"
 
 #include <algorithm>
 
 #if defined(OS_POSIX)
 #include "base/environment.h"
@@ skipping 520 matching lines @@
 
   // We handle the filesystem scheme separately.
   if (scheme == url::kFileSystemScheme) {
     if (parts.inner_parsed() && parts.inner_parsed()->scheme.is_valid())
       return GURL(text);
     return GURL();
   }
 
   // Parse and rebuild about: and chrome: URLs, except about:blank.
   bool chrome_url =
-      !LowerCaseEqualsASCII(trimmed, url::kAboutBlankURL) &&
+      !base::LowerCaseEqualsASCII(trimmed, url::kAboutBlankURL) &&
       ((scheme == url::kAboutScheme) || (scheme == kChromeUIScheme));
 
   // For some schemes whose layouts we understand, we rebuild it.
   if (chrome_url ||
       url::IsStandard(scheme.c_str(),
                       url::Component(0, static_cast<int>(scheme.length())))) {
     // Replace the about: scheme with the chrome: scheme.
     std::string url(chrome_url ? kChromeUIScheme : scheme);
     url.append(url::kStandardSchemeSeparator);
 
@@ skipping 108 matching lines @@
       part->reset();
   }
 }
 
 bool url_fixer::IsEquivalentScheme(const std::string& scheme1,
                                    const std::string& scheme2) {
   return scheme1 == scheme2 ||
       (scheme1 == url::kAboutScheme && scheme2 == kChromeUIScheme) ||
       (scheme1 == kChromeUIScheme && scheme2 == url::kAboutScheme);
 }