Prefix string16 with base:: in ui/.

ui/views/controls/combobox/combobox_unittest.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 "ui/views/controls/combobox/combobox.h"
 
 #include <set>
 
 #include "base/basictypes.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 76 matching lines @@
 // A concrete class is needed to test the combobox.
 class TestComboboxModel : public ui::ComboboxModel {
  public:
   TestComboboxModel() {}
   virtual ~TestComboboxModel() {}
 
   // ui::ComboboxModel:
   virtual int GetItemCount() const OVERRIDE {
     return 10;
   }
-  virtual string16 GetItemAt(int index) OVERRIDE {
+  virtual base::string16 GetItemAt(int index) OVERRIDE {
     if (IsItemSeparatorAt(index)) {
       NOTREACHED();
       return ASCIIToUTF16("SEPARATOR");
     }
     return ASCIIToUTF16(index % 2 == 0 ? "PEANUT BUTTER" : "JELLY");
   }
   virtual bool IsItemSeparatorAt(int index) OVERRIDE {
     return separators_.find(index) != separators_.end();
   }
 
@@ skipping 423 matching lines @@
   test_api.reset(
       new test::MenuRunnerTestAPI(combobox_->dropdown_list_menu_runner_.get()));
   test_api->SetMenuRunnerHandler(menu_runner_handler.Pass());
   PerformClick(gfx::Point(combobox_->x() + 1,
                           combobox_->y() + combobox_->height() / 2));
   EXPECT_TRUE(listener.on_combobox_text_button_clicked_called());
   EXPECT_FALSE(test_menu_runner_handler->executed());
 }
 
 }  // namespace views