Add explicit base namespace to string16 users.

chrome/common/extensions/api/extension_action/action_info.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/common/extensions/api/extension_action/action_info.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/common/extensions/api/commands/commands_handler.h"
 #include "chrome/common/extensions/extension_constants.h"
@@ skipping 37 matching lines @@
 
 ActionInfo::ActionInfo() {
 }
 
 ActionInfo::~ActionInfo() {
 }
 
 // static
 scoped_ptr<ActionInfo> ActionInfo::Load(const Extension* extension,
                                         const base::DictionaryValue* dict,
-                                        string16* error) {
+                                        base::string16* error) {
   scoped_ptr<ActionInfo> result(new ActionInfo());
 
   if (extension->manifest_version() == 1) {
     // kPageActionIcons is obsolete, and used by very few extensions. Continue
     // loading it, but only take the first icon as the default_icon path.
     const base::ListValue* icons = NULL;
     if (dict->HasKey(keys::kPageActionIcons) &&
         dict->GetList(keys::kPageActionIcons, &icons)) {
       base::ListValue::const_iterator iter = icons->begin();
       std::string path;
@@ skipping 156 matching lines @@
 
 // static
 bool ActionInfo::IsVerboseInstallMessage(const Extension* extension) {
   const ActionInfo* page_action_info = GetPageActionInfo(extension);
   return page_action_info &&
       (CommandsInfo::GetPageActionCommand(extension) ||
        !page_action_info->default_icon.empty());
 }
 
 }  // namespace extensions