Prefix string16 with base:: in ui/.

ui/base/ime/chromeos/character_composer.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/base/ime/chromeos/character_composer.h"
 
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
 
 #include <algorithm>
@@ skipping 340 matching lines @@
   const ComposeCheckerWithCompactTable kMainComposeChecker(
       gtk_compose_seqs_compact, 5, 24, 6);
   if (kMainComposeChecker.CheckSequence(sequence, composed_character))
     return true;
 
   return false;
 }
 
 // Converts |character| to UTF16 string.
 // Returns false when |character| is not a valid character.
-bool UTF32CharacterToUTF16(uint32 character, string16* output) {
+bool UTF32CharacterToUTF16(uint32 character, base::string16* output) {
   output->clear();
   // Reject invalid character. (e.g. codepoint greater than 0x10ffff)
   if (!CBU_IS_UNICODE_CHAR(character))
     return false;
   if (character) {
     output->resize(CBU16_LENGTH(character));
     size_t i = 0;
     CBU16_APPEND_UNSAFE(&(*output)[0], i, character);
   }
   return true;
@@ skipping 186 matching lines @@
   std::string preedit_string_ascii("u");
   for (size_t i = 0; i != compose_buffer_.size(); ++i) {
     const int digit = compose_buffer_[i];
     DCHECK(0 <= digit && digit < 16);
     preedit_string_ascii += digit <= 9 ? ('0' + digit) : ('a' + (digit - 10));
   }
   preedit_string_ = ASCIIToUTF16(preedit_string_ascii);
 }
 
 }  // namespace ui