Add explicit base namespace to string16 users.

chrome/common/extensions/api/managed_mode_private/managed_mode_handler.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/extensions/api/managed_mode_private/managed_mode_handler.h"
 
 #include "base/lazy_instance.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
@@ skipping 26 matching lines @@
       extension->GetResource(info->site_list) :
       ExtensionResource();
 }
 
 ManagedModeHandler::ManagedModeHandler() {
 }
 
 ManagedModeHandler::~ManagedModeHandler() {
 }
 
-bool ManagedModeHandler::Parse(Extension* extension, string16* error) {
+bool ManagedModeHandler::Parse(Extension* extension, base::string16* error) {
   if (!extension->manifest()->HasKey(keys::kContentPack))
     return true;
 
   scoped_ptr<ManagedModeInfo> info(new ManagedModeInfo);
   const base::DictionaryValue* content_pack_value = NULL;
   if (!extension->manifest()->GetDictionary(keys::kContentPack,
                                             &content_pack_value)) {
     *error = ASCIIToUTF16(manifest_errors::kInvalidContentPack);
     return false;
   }
 
   if (!LoadSites(info.get(), content_pack_value, error) ||
       !LoadConfigurations(info.get(), content_pack_value, error)) {
     return false;
   }
 
   extension->SetManifestData(keys::kContentPack, info.release());
   return true;
 }
 
 const std::vector<std::string> ManagedModeHandler::Keys() const {
   return SingleKey(keys::kContentPack);
 }
 
 bool ManagedModeHandler::LoadSites(
     ManagedModeInfo* info,
     const base::DictionaryValue* content_pack_value,
-    string16* error) {
+    base::string16* error) {
   if (!content_pack_value->HasKey(keys::kContentPackSites))
     return true;
 
   base::FilePath::StringType site_list_string;
   if (!content_pack_value->GetString(keys::kContentPackSites,
                                      &site_list_string)) {
     *error = ASCIIToUTF16(manifest_errors::kInvalidContentPackSites);
     return false;
   }
 
   info->site_list = base::FilePath(site_list_string);
 
   return true;
 }
 
 bool ManagedModeHandler::LoadConfigurations(
     ManagedModeInfo* info,
     const base::DictionaryValue* content_pack_value,
-    string16* error) {
+    base::string16* error) {
   NOTIMPLEMENTED();
   return true;
 }
 
 }  // namespace extensions