Add explicit base namespace to string16 users.

chrome/common/instant_types.cc

 // Copyright 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 "chrome/common/instant_types.h"
 
 InstantSuggestion::InstantSuggestion() {
 }
 
-InstantSuggestion::InstantSuggestion(const string16& in_text,
+InstantSuggestion::InstantSuggestion(const base::string16& in_text,
                                      const std::string& in_metadata)
     : text(in_text),
       metadata(in_metadata) {
 }
 
 InstantSuggestion::~InstantSuggestion() {
 }
 
 RGBAColor::RGBAColor()
     : r(0),
@@ skipping 40 matching lines @@
       header_color == rhs.header_color &&
       section_border_color == rhs.section_border_color &&
       theme_id == rhs.theme_id &&
       image_horizontal_alignment == rhs.image_horizontal_alignment &&
       image_vertical_alignment == rhs.image_vertical_alignment &&
       image_tiling == rhs.image_tiling &&
       image_height == rhs.image_height &&
       has_attribution == rhs.has_attribution &&
       logo_alternate == rhs.logo_alternate;
 }