Move bit_cast from base/macros.h to its own header

net/filter/gzip_filter.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 "net/filter/gzip_filter.h"
 
+#include "base/bit_cast.h"
 #include "base/logging.h"
 #include "net/filter/gzip_header.h"
 #include "third_party/zlib/zlib.h"
 
 namespace net {
 
 GZipFilter::GZipFilter(FilterType type)
     : Filter(type),
       decoding_status_(DECODING_UNINITIALIZED),
       decoding_mode_(DECODE_MODE_UNKNOWN),
@@ skipping 273 matching lines @@
     stream_data_len_ -= footer_byte_avail;
     next_stream_data_ += footer_byte_avail;
     gzip_footer_bytes_ += footer_byte_avail;
 
     if (stream_data_len_ == 0)
       next_stream_data_ = NULL;
   }
 }
 
 }  // namespace net