Grab bag of clang fixes for Windows code

net/dns/dns_config_service_win_unittest.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 "net/dns/dns_config_service_win.h"
 
 #include "base/logging.h"
 #include "base/win/windows_version.h"
 #include "net/dns/dns_protocol.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 34 matching lines @@
       EXPECT_EQ(expected_output, actual_output);
     } else {
       EXPECT_FALSE(result) << "Unexpected parse success on " << t.input;
     }
   }
 }
 
 struct AdapterInfo {
   IFTYPE if_type;
   IF_OPER_STATUS oper_status;
-  PWCHAR dns_suffix;
+  const WCHAR* dns_suffix;
   std::string dns_server_addresses[4];  // Empty string indicates end.
   int ports[4];
 };
 
 scoped_ptr_malloc<IP_ADAPTER_ADDRESSES> CreateAdapterAddresses(
     const AdapterInfo* infos) {
   size_t num_adapters = 0;
   size_t num_addresses = 0;
   for (size_t i = 0; infos[i].if_type; ++i) {
     ++num_adapters;
@@ skipping 16 matching lines @@
   struct sockaddr_storage* storage =
       reinterpret_cast<struct sockaddr_storage*>(addresses + num_addresses);
 
   for (size_t i = 0; i < num_adapters; ++i) {
     const AdapterInfo& info = infos[i];
     IP_ADAPTER_ADDRESSES* adapter = adapters + i;
     if (i + 1 < num_adapters)
       adapter->Next = adapter + 1;
     adapter->IfType = info.if_type;
     adapter->OperStatus = info.oper_status;
-    adapter->DnsSuffix = info.dns_suffix;
+    adapter->DnsSuffix = const_cast<PWCHAR>(info.dns_suffix);
     IP_ADAPTER_DNS_SERVER_ADDRESS* address = NULL;
     for (size_t j = 0; !info.dns_server_addresses[j].empty(); ++j) {
       --num_addresses;
       if (j == 0) {
         address = adapter->FirstDnsServerAddress = addresses + num_addresses;
       } else {
         // Note that |address| is moving backwards.
         address = address->Next = address - 1;
       }
       IPAddressNumber ip;
@@ skipping 318 matching lines @@
     EXPECT_EQ(internal::CONFIG_PARSE_WIN_OK,
               internal::ConvertSettingsToDnsConfig(settings, &config));
     EXPECT_EQ(config.append_to_multi_label_name, t.expected_output);
   }
 }
 
 }  // namespace
 
 }  // namespace net