Convert string16 to base::string16 in content.

content/browser/accessibility/accessibility_tree_formatter_android.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 <string>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
@@ skipping 59 matching lines @@
   dict->SetBoolean("invisible", !android_node->IsVisibleToUser());
 
   // String attributes.
   dict->SetString("name", android_node->GetText());
 
   // Int attributes.
   dict->SetInteger("item_index", android_node->GetItemIndex());
   dict->SetInteger("item_count", android_node->GetItemCount());
 }
 
-string16 AccessibilityTreeFormatter::ToString(const DictionaryValue& dict,
-                                              const string16& indent) {
-  string16 line;
+base::string16 AccessibilityTreeFormatter::ToString(
+    const DictionaryValue& dict,
+    const base::string16& indent) {
+  base::string16 line;
 
-  string16 class_value;
+  base::string16 class_value;
   dict.GetString("class", &class_value);
   WriteAttribute(true, UTF16ToUTF8(class_value), &line);
 
   for (unsigned i = 0; i < arraysize(BOOL_ATTRIBUTES); i++) {
     const char* attribute_name = BOOL_ATTRIBUTES[i];
     bool value;
     if (dict.GetBoolean(attribute_name, &value) && value)
       WriteAttribute(true, attribute_name, &line);
   }
 
@@ skipping 41 matching lines @@
 const std::string AccessibilityTreeFormatter::GetAllowString() {
   return "@ANDROID-ALLOW:";
 }
 
 // static
 const std::string AccessibilityTreeFormatter::GetDenyString() {
   return "@ANDROID-DENY:";
 }
 
 }  // namespace content