Coverity: Fix dead code.

base/win/registry.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 "base/win/registry.h"
 
 #include <shlwapi.h>
 #include <algorithm>
 
 #include "base/logging.h"
@@ skipping 206 matching lines @@
   return result;
 }
 
 LONG RegKey::ReadValues(const wchar_t* name,
                         std::vector<std::wstring>* values) {
   base::ThreadRestrictions::AssertIOAllowed();
   values->clear();
 
   DWORD type = REG_MULTI_SZ;
   DWORD size = 0;
-  LONG result = ReadValue(name, NULL, &size, NULL);
+  LONG result = ReadValue(name, NULL, &size, &type);
   if (FAILED(result) || size == 0)
     return result;
 
   if (type != REG_MULTI_SZ)
     return ERROR_CANTREAD;
 
   std::vector<wchar_t> buffer(size / sizeof(wchar_t));
   result = ReadValue(name, &buffer[0], &size, NULL);
   if (FAILED(result) || size == 0)
     return result;
@@ skipping 201 matching lines @@
     if (ERROR_SUCCESS == r)
       return true;
   }
 
   name_[0] = '\0';
   return false;
 }
 
 }  // namespace win
 }  // namespace base