Convert string16 to base::string16 in content.

content/browser/accessibility/accessibility_tree_formatter_gtk.cc

 // Copyright 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 "content/browser/accessibility/accessibility_tree_formatter.h"
 
 #include <atk/atk.h>
 
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 19 matching lines @@
   ListValue* states = new base::ListValue;
   for (int i = ATK_STATE_INVALID; i < ATK_STATE_LAST_DEFINED; i++) {
     AtkStateType state_type = static_cast<AtkStateType>(i);
     if (atk_state_set_contains_state(state_set, state_type))
       states->AppendString(atk_state_type_get_name(state_type));
   }
   dict->Set("states", states);
   dict->SetInteger("id", node.renderer_id());
 }
 
-string16 AccessibilityTreeFormatter::ToString(const base::DictionaryValue& node,
-                                              const string16& indent) {
-  string16 line;
+base::string16 AccessibilityTreeFormatter::ToString(
+    const base::DictionaryValue& node,
+    const base::string16& indent) {
+  base::string16 line;
   std::string role_value;
   node.GetString("role", &role_value);
   if (!role_value.empty())
     WriteAttribute(true, base::StringPrintf("[%s]", role_value.c_str()), &line);
 
   std::string name_value;
   node.GetString("name", &name_value);
   WriteAttribute(true, base::StringPrintf("name='%s'", name_value.c_str()),
                  &line);
 
@@ skipping 46 matching lines @@
 const std::string AccessibilityTreeFormatter::GetAllowString() {
   return "@GTK-ALLOW:";
 }
 
 // static
 const std::string AccessibilityTreeFormatter::GetDenyString() {
   return "@GTK-DENY:";
 }
 
 }