Add explicit base namespace to string16 users.

chrome/common/badge_util.h

 // 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.
 
 #ifndef CHROME_COMMON_BADGE_UTIL_H_
 #define CHROME_COMMON_BADGE_UTIL_H_
 
 #include <string>
 
 #include "base/strings/string16.h"
@@ skipping 13 matching lines @@
 
 // Helper routine that returns a singleton SkPaint object configured for
 // rendering badge overlay text (correct font, typeface, etc).
 SkPaint* GetBadgeTextPaintSingleton();
 
 // Given an |icon|, renders the |text| centered on the |icon|. If |text| is
 // too large to fit within the bounds of the image, the |fallback| string is
 // rendered instead (or nothing, if |fallback| is empty).
 SkBitmap DrawBadgeIconOverlay(const SkBitmap& icon,
                               float font_size_in_pixels,
-                              const string16& text,
-                              const string16& fallback);
+                              const base::string16& text,
+                              const base::string16& fallback);
 
 // Paints badge with specified parameters to |canvas|.
 void PaintBadge(gfx::Canvas* canvas,
                 const gfx::Rect& bounds,
                 const std::string& text,
                 const SkColor& text_color_in,
                 const SkColor& background_color_in,
                 int icon_width,
                 extensions::ActionInfo::Type action_type);
 
 }  // namespace badge_util;
 
 #endif  // CHROME_COMMON_BADGE_UTIL_H_