Start to disable bzip2 support. First step: Stop advertising support....

net/url_request/url_request_http_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_http_job.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/file_util.h"
@@ skipping 626 matching lines @@
       }
     }
   }
 
   // Supply Accept-Encoding headers first so that it is more likely that they
   // will be in the first transmitted packet.  This can sometimes make it easier
   // to filter and analyze the streams to assure that a proxy has not damaged
   // these headers.  Some proxies deliberately corrupt Accept-Encoding headers.
   if (!advertise_sdch) {
     // Tell the server what compression formats we support (other than SDCH).
-    request_info_.extra_headers += "Accept-Encoding: gzip,deflate,bzip2\r\n";
+    request_info_.extra_headers += "Accept-Encoding: gzip,deflate\r\n";
   } else {
     // Include SDCH in acceptable list.
     request_info_.extra_headers += "Accept-Encoding: "
-        "gzip,deflate,bzip2,sdch\r\n";
+        "gzip,deflate,sdch\r\n";
     if (!avail_dictionaries.empty()) {
       request_info_.extra_headers += "Avail-Dictionary: "
           + avail_dictionaries + "\r\n";
       sdch_dictionary_advertised_ = true;
       // Since we're tagging this transaction as advertising a dictionary, we'll
       // definately employ an SDCH filter (or tentative sdch filter) when we get
       // a response.  When done, we'll record histograms via SDCH_DECODE or
       // SDCH_PASSTHROUGH.  Hence we need to record packet arrival times.
       EnablePacketCounting(kSdchPacketHistogramCount);
     }
@@ skipping 63 matching lines @@
   if (!ctx || !ctx->force_tls_state())
     return;
 
   std::string name = "X-Force-TLS";
   std::string value;
 
   void* iter = NULL;
   while (response_info_->headers->EnumerateHeader(&iter, name, &value))
     ctx->force_tls_state()->DidReceiveHeader(request_info_.url, value);
 }