Componentize renderer side of DNS prefetching.

components/dns_prefetch/renderer/predictor_queue.cc

 // Copyright (c) 2006-2008 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.
 
 // See header file for description of DnsQueue class
 
-#include "chrome/renderer/net/predictor_queue.h"
+#include "components/dns_prefetch/renderer/predictor_queue.h"
 
 #include "base/logging.h"
 #include "base/metrics/stats_counters.h"
 
+namespace dns_prefetch {
+
 DnsQueue::DnsQueue(BufferSize size)
     : buffer_(new char[size + 2]),
       buffer_size_(size + 1),
       buffer_sentinel_(size + 1),
       size_(0) {
   CHECK(0 < static_cast<BufferSize>(size + 3));  // Avoid overflow worries.
   buffer_[buffer_sentinel_] = '\0';  // Guard byte to help reading data.
   readable_ = writeable_ = 0;  // Buffer starts empty.
 }
 
@@ skipping 121 matching lines @@
 }
 
 bool DnsQueue::Validate() {
   return (readable_ >= 0) &&
           readable_ < buffer_sentinel_ &&
           writeable_ >= 0 &&
           writeable_ < buffer_sentinel_ &&
           '\0' == buffer_[buffer_sentinel_] &&
           ((0 == size_) == (readable_ == writeable_));
 }
+
+}  // namespace dns_prefetch