Ignore Content-Length mismatches when Content-Length is too large.

content/browser/download/download_resource_handler.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 "content/browser/download/download_resource_handler.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 262 matching lines @@
     const net::URLRequestStatus& status,
     const std::string& security_info) {
   // NOTE: |request_| may be a dangling pointer at this point.
   VLOG(20) << __FUNCTION__ << "()"
            << " request_id = " << request_id
            << " status.status() = " << status.status()
            << " status.error() = " << status.error();
   net::Error error_code = net::OK;
   if (status.status() == net::URLRequestStatus::FAILED)
     error_code = static_cast<net::Error>(status.error());  // Normal case.
-  // ERR_CONNECTION_CLOSED is allowed since a number of servers in the wild
-  // advertise a larger Content-Length than the amount of bytes in the message
-  // body, and then close the connection. Other browsers - IE8, Firefox 4.0.1,
-  // and Safari 5.0.4 - treat the download as complete in this case, so we
-  // follow their lead.
-  if (error_code == net::ERR_CONNECTION_CLOSED)
-    error_code = net::OK;
   content::DownloadInterruptReason reason =
       content::ConvertNetErrorToInterruptReason(
         error_code, content::DOWNLOAD_INTERRUPT_FROM_NETWORK);
 
   if ((status.status() == net::URLRequestStatus::CANCELED) &&
       (status.error() == net::ERR_ABORTED)) {
     // TODO(ahendrickson) -- Find a better set of codes to use here, as
     // CANCELED/ERR_ABORTED can occur for reasons other than user cancel.
     reason = content::DOWNLOAD_INTERRUPT_REASON_USER_CANCELED;
   }
@@ skipping 129 matching lines @@
                             " }",
                             request_ ?
                                 request_->url().spec().c_str() :
                                 "<NULL request>",
                             download_id_.local(),
                             global_id_.child_id,
                             global_id_.request_id,
                             render_view_id_,
                             save_info_.file_path.value().c_str());
 }