Move DnsApiTest.DnsResolveIPLiteral and DnsApiTest.DnsResolveHostname to app_shell_browsertests.

extensions/browser/api/socket/socket_api.cc

 // Copyright 2014 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 "extensions/browser/api/socket/socket_api.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/containers/hash_tables.h"
@@ skipping 78 matching lines @@
 bool SocketExtensionWithDnsLookupFunction::PrePrepare() {
   if (!SocketAsyncApiFunction::PrePrepare())
     return false;
   resource_context_ = browser_context()->GetResourceContext();
   return resource_context_ != NULL;
 }
 
 void SocketExtensionWithDnsLookupFunction::StartDnsLookup(
     const std::string& hostname) {
   net::HostResolver* host_resolver =
-      extensions::HostResolverWrapper::GetInstance()->GetHostResolver(
-          resource_context_->GetHostResolver());
+      HostResolverWrapper::GetInstance()->GetHostResolver(resource_context_);
   DCHECK(host_resolver);
 
   // Yes, we are passing zero as the port. There are some interesting but not
   // presently relevant reasons why HostResolver asks for the port of the
   // hostname you'd like to resolve, even though it doesn't use that value in
   // determining its answer.
   net::HostPortPair host_port_pair(hostname, 0);
 
   net::HostResolver::RequestInfo request_info(host_port_pair);
   int resolve_result = host_resolver->Resolve(
@@ skipping 771 matching lines @@
     return;
   }
 
   base::ListValue* values = new base::ListValue();
   values->AppendStrings((std::vector<std::string>&)static_cast<UDPSocket*>(
                             socket)->GetJoinedGroups());
   SetResult(values);
 }
 
 }  // namespace extensions