Extracting NetLog inner classes into their own classes.

net/spdy/spdy_header_block.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/spdy/spdy_header_block.h"
 
 #include <string.h>
 
 #include <algorithm>
 #include <utility>
 
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/values.h"
 #include "net/base/arena.h"
 #include "net/http/http_log_util.h"
+#include "net/log/net_log_capture_mode.h"
 
 using base::StringPiece;
 using std::dec;
 using std::hex;
 using std::max;
 using std::min;
 using std::string;
 
 namespace net {
 namespace {
@@ skipping 265 matching lines @@
     if (!it.value().GetAsString(&value)) {
       headers->clear();
       return false;
     }
     (*headers)[it.key()] = value;
   }
   return true;
 }
 
 }  // namespace net