Update some uses of char16 to use the base:: namespace.

chrome/common/importer/ie_importer_utils_win.cc

 // Copyright (c) 2013 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/common/importer/ie_importer_utils_win.h"
 
 #include "chrome/common/importer/ie_importer_test_registry_overrider_win.h"
 
 namespace {
 
-const char16 kIEFavoritesOrderKey[] =
+const base::char16 kIEFavoritesOrderKey[] =
     L"Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\"
     L"MenuOrder\\Favorites";
 
-const char16 kIEStorage2Key[] =
+const base::char16 kIEStorage2Key[] =
   L"Software\\Microsoft\\Internet Explorer\\IntelliForms\\Storage2";
 
-const char16 kIESettingsMainKey[] =
+const base::char16 kIESettingsMainKey[] =
   L"Software\\Microsoft\\Internet Explorer\\Main";
 
 base::string16 GetPotentiallyOverridenIEKey(
     const base::string16& desired_key_path) {
   base::string16 test_reg_override(
       IEImporterTestRegistryOverrider::GetTestRegistryOverride());
   return test_reg_override.empty() ? desired_key_path : test_reg_override;
 }
 
 }  // namespace
@@ skipping 10 matching lines @@
   return GetPotentiallyOverridenIEKey(kIEStorage2Key);
 }
 
 base::string16 GetIESettingsKey() {
   // Return kIESettingsMainKey unless an override has been set for tests.
   return GetPotentiallyOverridenIEKey(kIESettingsMainKey);
 }
 
 }  // namespace importer