Move StringToLowerASCII to base namespace

chrome/browser/extensions/updater/local_extension_cache.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 "chrome/browser/extensions/updater/local_extension_cache.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/file_enumerator.h"
 #include "base/sequenced_task_runner.h"
@@ skipping 287 matching lines @@
     if (EndsWith(basename, kCRXFileExtension, false /* case-sensitive */)) {
       size_t n = basename.find('-');
       if (n != std::string::npos && n + 1 < basename.size() - 4) {
         id = basename.substr(0, n);
         // Size of |version| = total size - "<id>" - "-" - ".crx"
         version = basename.substr(n + 1, basename.size() - 5 - id.size());
       }
     }
 
     // Enforce a lower-case id.
-    id = StringToLowerASCII(id);
+    id = base::StringToLowerASCII(id);
     if (!extensions::Extension::IdIsValid(id)) {
       LOG(ERROR) << "Bad extension id in cache: " << id;
       id.clear();
     }
 
     if (!Version(version).IsValid()) {
       LOG(ERROR) << "Bad extension version in cache: " << version;
       version.clear();
     }
 
@@ skipping 165 matching lines @@
 
 LocalExtensionCache::CacheItemInfo::CacheItemInfo(
     const std::string& version,
     const base::Time& last_used,
     uint64 size,
     const base::FilePath& file_path)
     : version(version), last_used(last_used), size(size), file_path(file_path) {
 }
 
 }  // namespace extensions