Replace wstring with string16 in sandbox

sandbox/win/src/window.cc

 // Copyright (c) 2011 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 "sandbox/win/src/window.h"
 
 #include <aclapi.h>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 35 matching lines @@
   *winsta = ::CreateWindowStationW(NULL, 0, WINSTA_ALL_ACCESS, &attributes);
   LocalFree(attributes.lpSecurityDescriptor);
 
   if (*winsta)
     return SBOX_ALL_OK;
 
   return SBOX_ERROR_CANNOT_CREATE_WINSTATION;
 }
 
 ResultCode CreateAltDesktop(HWINSTA winsta, HDESK* desktop) {
-  std::wstring desktop_name = L"sbox_alternate_desktop_";
+  base::string16 desktop_name = L"sbox_alternate_desktop_";
 
   // Append the current PID to the desktop name.
   wchar_t buffer[16];
   _snwprintf_s(buffer, sizeof(buffer) / sizeof(wchar_t), L"0x%X",
                ::GetCurrentProcessId());
   desktop_name += buffer;
 
   // Get the security attributes from the current desktop, we will use this as
   // the base security attributes for the new desktop.
   SECURITY_ATTRIBUTES attributes = {0};
@@ skipping 26 matching lines @@
       return SBOX_ERROR_FAILED_TO_SWITCH_BACK_WINSTATION;
     }
   }
 
   if (*desktop)
     return SBOX_ALL_OK;
 
   return SBOX_ERROR_CANNOT_CREATE_DESKTOP;
 }
 
-std::wstring GetWindowObjectName(HANDLE handle) {
+base::string16 GetWindowObjectName(HANDLE handle) {
   // Get the size of the name.
   DWORD size = 0;
   ::GetUserObjectInformation(handle, UOI_NAME, NULL, 0, &size);
 
   if (!size) {
     NOTREACHED();
-    return std::wstring();
+    return base::string16();
   }
 
   // Create the buffer that will hold the name.
   scoped_ptr<wchar_t[]> name_buffer(new wchar_t[size]);
 
   // Query the name of the object.
   if (!::GetUserObjectInformation(handle, UOI_NAME, name_buffer.get(), size,
                                   &size)) {
     NOTREACHED();
-    return std::wstring();
+    return base::string16();
   }
 
-  return std::wstring(name_buffer.get());
+  return base::string16(name_buffer.get());
 }
 
-std::wstring GetFullDesktopName(HWINSTA winsta, HDESK desktop) {
+base::string16 GetFullDesktopName(HWINSTA winsta, HDESK desktop) {
   if (!desktop) {
     NOTREACHED();
-    return std::wstring();
+    return base::string16();
   }
 
-  std::wstring name;
+  base::string16 name;
   if (winsta) {
     name = GetWindowObjectName(winsta);
     name += L'\\';
   }
 
   name += GetWindowObjectName(desktop);
   return name;
 }
 
 }  // namespace sandbox