Revert everything related to the relanding.

net/url_request/url_request_job.cc

 // Copyright (c) 2006-2009 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/url_request/url_request_job.h"
 
-#include "base/histogram.h"
 #include "base/message_loop.h"
 #include "base/string_util.h"
 #include "net/base/auth.h"
 #include "net/base/io_buffer.h"
 #include "net/base/load_flags.h"
 #include "net/base/mime_util.h"
 #include "net/base/net_errors.h"
 #include "net/http/http_response_headers.h"
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_job_metrics.h"
@@ skipping 817 matching lines @@
     return;
   }
 
   if (is_compressed_) {
     COMPRESSION_HISTOGRAM("NoProxy.BytesBeforeCompression", compressed_B);
     COMPRESSION_HISTOGRAM("NoProxy.BytesAfterCompression", decompressed_B);
   } else {
     COMPRESSION_HISTOGRAM("NoProxy.ShouldHaveBeenCompressed", decompressed_B);
   }
 }