Added DnsQuery class

net/base/dnsrr_resolver.cc

 // Copyright (c) 2011 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/base/dnsrr_resolver.h"
 
 #if defined(OS_POSIX)
 #include <resolv.h>
 #endif
 
@@ skipping 80 matching lines @@
     case kDNS_DS:
     case kDNS_RRSIG:
     case kDNS_DNSKEY:
       return true;
     default:
       return false;
   }
 }
 #endif
 
-static const uint16 kClassIN = 1;
 // kMaxCacheEntries is the number of RRResponse objects that we'll cache.
 static const unsigned kMaxCacheEntries = 32;
 // kNegativeTTLSecs is the number of seconds for which we'll cache a negative
 // cache entry.
 static const unsigned kNegativeTTLSecs = 60;
 
 RRResponse::RRResponse()
     : ttl(0), dnssec(false), negative(false) {
 }
 
@@ skipping 562 matching lines @@
   inflight_.erase(j);
 
   job->HandleResult(result, response);
   delete job;
 }
 
 }  // namespace net
 
 DISABLE_RUNNABLE_METHOD_REFCOUNT(net::RRResolverHandle);
 DISABLE_RUNNABLE_METHOD_REFCOUNT(net::RRResolverWorker);