Replace string16 with base::string16.

chrome/browser/download/download_target_determiner.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 "chrome/browser/download/download_target_determiner.h"
 
 #include "base/prefs/pref_service.h"
 #include "base/rand_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/time/time.h"
@@ skipping 583 matching lines @@
     return COMPLETE;
   }
 
   // Dangerous downloads receive a random intermediate name that looks like:
   // 'Unconfirmed <random>.crdownload'.
   const base::FilePath::CharType kUnconfirmedFormatSuffix[] =
       FILE_PATH_LITERAL(" %d.crdownload");
   // Range of the <random> uniquifier.
   const int kUnconfirmedUniquifierRange = 1000000;
 #if defined(OS_WIN)
-  string16 unconfirmed_format =
+  base::string16 unconfirmed_format =
       l10n_util::GetStringUTF16(IDS_DOWNLOAD_UNCONFIRMED_PREFIX);
 #else
   std::string unconfirmed_format =
       l10n_util::GetStringUTF8(IDS_DOWNLOAD_UNCONFIRMED_PREFIX);
 #endif
   unconfirmed_format.append(kUnconfirmedFormatSuffix);
 
   base::FilePath::StringType file_name = base::StringPrintf(
       unconfirmed_format.c_str(),
       base::RandInt(0, kUnconfirmedUniquifierRange));
@@ skipping 170 matching lines @@
   // asynchronously.
   new DownloadTargetDeterminer(download, initial_virtual_path, download_prefs,
                                delegate, callback);
 }
 
 // static
 base::FilePath DownloadTargetDeterminer::GetCrDownloadPath(
     const base::FilePath& suggested_path) {
   return base::FilePath(suggested_path.value() + kCrdownloadSuffix);
 }