Cleanup: Use base namespace in printing/.

printing/backend/win_helper.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 "printing/backend/win_helper.h"
 
 #include <algorithm>
 
 #include "base/file_version_info.h"
 #include "base/files/file_path.h"
@@ skipping 121 matching lines @@
   g_close_provider_proc =
       reinterpret_cast<PTCloseProviderProc>(
           GetProcAddress(prntvpt_module, "PTCloseProvider"));
   if (!g_close_provider_proc) {
     NOTREACHED();
     return false;
   }
   return true;
 }
 
-HRESULT XPSModule::OpenProvider(const string16& printer_name,
+HRESULT XPSModule::OpenProvider(const base::string16& printer_name,
                                 DWORD version,
                                 HPTPROVIDER* provider) {
   return g_open_provider_proc(printer_name.c_str(), version, provider);
 }
 
 HRESULT XPSModule::GetPrintCapabilities(HPTPROVIDER provider,
                                         IStream* print_ticket,
                                         IStream* capabilities,
                                         BSTR* error_message) {
   return g_get_print_capabilities_proc(provider,
@@ skipping 182 matching lines @@
   for (size_t i = 0; i < arraysize(info); ++i) {
     std::replace(info[i].begin(), info[i].end(), ';', ',');
     driver_info.append(info[i]);
     if (i < arraysize(info) - 1)
       driver_info.append(";");
   }
   return driver_info;
 }
 
 }  // namespace printing