Prefix string16 with base:: in ui/.

ui/views/examples/bubble_example.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 "ui/views/examples/bubble_example.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "ui/views/bubble/bubble_delegate.h"
 #include "ui/views/controls/button/label_button.h"
 #include "ui/views/controls/label.h"
 #include "ui/views/layout/box_layout.h"
 #include "ui/views/widget/widget.h"
 
 namespace views {
 namespace examples {
 
 namespace {
 
 SkColor colors[] = { SK_ColorWHITE, SK_ColorGRAY, SK_ColorCYAN, 0xFFC1B1E1 };
 
 BubbleBorder::Arrow arrows[] = {
     BubbleBorder::TOP_LEFT, BubbleBorder::TOP_CENTER,
     BubbleBorder::TOP_RIGHT, BubbleBorder::RIGHT_TOP,
     BubbleBorder::RIGHT_CENTER, BubbleBorder::RIGHT_BOTTOM,
     BubbleBorder::BOTTOM_RIGHT, BubbleBorder::BOTTOM_CENTER,
     BubbleBorder::BOTTOM_LEFT, BubbleBorder::LEFT_BOTTOM,
     BubbleBorder::LEFT_CENTER, BubbleBorder::LEFT_TOP };
 
-string16 GetArrowName(BubbleBorder::Arrow arrow) {
+base::string16 GetArrowName(BubbleBorder::Arrow arrow) {
   switch (arrow) {
     case BubbleBorder::TOP_LEFT:      return ASCIIToUTF16("TOP_LEFT");
     case BubbleBorder::TOP_RIGHT:     return ASCIIToUTF16("TOP_RIGHT");
     case BubbleBorder::BOTTOM_LEFT:   return ASCIIToUTF16("BOTTOM_LEFT");
     case BubbleBorder::BOTTOM_RIGHT:  return ASCIIToUTF16("BOTTOM_RIGHT");
     case BubbleBorder::LEFT_TOP:      return ASCIIToUTF16("LEFT_TOP");
     case BubbleBorder::RIGHT_TOP:     return ASCIIToUTF16("RIGHT_TOP");
     case BubbleBorder::LEFT_BOTTOM:   return ASCIIToUTF16("LEFT_BOTTOM");
     case BubbleBorder::RIGHT_BOTTOM:  return ASCIIToUTF16("RIGHT_BOTTOM");
     case BubbleBorder::TOP_CENTER:    return ASCIIToUTF16("TOP_CENTER");
@@ skipping 75 matching lines @@
     bubble->SetAlignment(BubbleBorder::ALIGN_EDGE_TO_ANCHOR_EDGE);
 
   if (sender == fade_in_)
     bubble->StartFade(true);
   else
     bubble->GetWidget()->Show();
 }
 
 }  // namespace examples
 }  // namespace views