Move DnsApiTest.DnsResolveIPLiteral and DnsApiTest.DnsResolveHostname to app_shell_browsertests.

extensions/browser/api/dns/dns_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/dns/dns_api.h"
 
 #include "base/bind.h"
 #include "base/values.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
@@ skipping 31 matching lines @@
       FROM_HERE,
       base::Bind(&DnsResolveFunction::WorkOnIOThread, this));
   DCHECK(result);
   return true;
 }
 
 void DnsResolveFunction::WorkOnIOThread() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
   net::HostResolver* host_resolver =
-      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 31 matching lines @@
   bool post_task_result = BrowserThread::PostTask(
       BrowserThread::UI,
       FROM_HERE,
       base::Bind(&DnsResolveFunction::RespondOnUIThread, this));
   DCHECK(post_task_result);
 
   Release();  // Added in WorkOnIOThread().
 }
 
 }  // namespace extensions