Move StringToLowerASCII to base namespace

chrome/browser/extensions/external_registry_loader_win.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 "chrome/browser/extensions/external_registry_loader_win.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/files/scoped_file.h"
@@ skipping 72 matching lines @@
                  key_path.c_str(), KEY_READ) != ERROR_SUCCESS) {
       if (key.Open(HKEY_CURRENT_USER,
                    key_path.c_str(), KEY_READ) != ERROR_SUCCESS) {
         LOG(ERROR) << "Unable to read registry key at path (HKLM & HKCU): "
                    << key_path << ".";
         continue;
       }
     }
 
     std::string id = base::UTF16ToASCII(*it);
-    StringToLowerASCII(&id);
+    base::StringToLowerASCII(&id);
     if (!Extension::IdIsValid(id)) {
       LOG(ERROR) << "Invalid id value " << id
                  << " for key " << key_path << ".";
       continue;
     }
 
     base::string16 extension_dist_id;
     if (key.ReadValue(kRegistryExtensionInstallParam, &extension_dist_id) ==
         ERROR_SUCCESS) {
       prefs->SetString(id + "." + ExternalProviderImpl::kInstallParam,
@@ skipping 69 matching lines @@
 
   prefs_.reset(prefs.release());
   HISTOGRAM_TIMES("Extensions.ExternalRegistryLoaderWin",
                   base::TimeTicks::Now() - start_time);
   BrowserThread::PostTask(
       BrowserThread::UI, FROM_HERE,
       base::Bind(&ExternalRegistryLoader::LoadFinished, this));
 }
 
 }  // namespace extensions