Fix uninitialized reads in DnsConfigServiceWin tests.

net/dns/dns_config_service_win.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 <algorithm>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 419 matching lines @@
 
   for (size_t offset = 0; num_dots >= devolution.level.value; --num_dots) {
     offset = primary_suffix.find('.', offset + 1);
     config->search.push_back(primary_suffix.substr(offset + 1));
   }
 }
 
 }  // namespace
 
 DnsSystemSettings::DnsSystemSettings()
-    : policy_search_list(),
-      tcpip_search_list(),
-      tcpip_domain(),
-      primary_dns_suffix(),
-      policy_devolution(),
-      dnscache_devolution(),
-      tcpip_devolution(),
-      append_to_multi_label_name(),
+    : policy_search_list({}),
+      tcpip_search_list({}),
+      tcpip_domain({}),
+      primary_dns_suffix({}),
+      policy_devolution({}),
+      dnscache_devolution({}),
+      tcpip_devolution({}),
+      append_to_multi_label_name({}),

[Nico, 2015/05/12 00:32:16]

Hm, isn't this uniform initialization too?
Nicos-MacBook-Pro-4:src thakis$ clang -c test.cc -std=c++11
Nicos-MacBook-Pro-4:src thakis$ cat test.cc
struct A {
  int a, b;
};

struct B {
  B();
  A a_;
};

B::B() : a_({}) {
}
Nicos-MacBook-Pro-4:src thakis$ clang -c test.cc
test.cc:10:13: error: expected expression
B::B() : a_({}) {
            ^
1 error generated.
Nicos-MacBook-Pro-4:src thakis$ clang -c test.cc -std=c++11
# works


Maybe best to just set all the "set"s to false in the body explicitly :-/

       have_name_resolution_policy(false) {
 }
 
 DnsSystemSettings::~DnsSystemSettings() {
 }
 
 bool ParseSearchList(const base::string16& value,
                      std::vector<std::string>* output) {
   DCHECK(output);
   if (value.empty())
@@ skipping 308 matching lines @@
 }
 
 }  // namespace internal
 
 // static
 scoped_ptr<DnsConfigService> DnsConfigService::CreateSystemService() {
   return scoped_ptr<DnsConfigService>(new internal::DnsConfigServiceWin());
 }
 
 }  // namespace net