Don't include ERR_ABORTED in net error histogram

chrome/browser/renderer_host/resource_dispatcher_host.cc

 // Copyright (c) 2010 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.
 
 // See http://dev.chromium.org/developers/design-documents/multi-process-resource-loading
 
 #include "chrome/browser/renderer_host/resource_dispatcher_host.h"
 
 #include <vector>
 
@@ skipping 1473 matching lines @@
   return *bytes_read != 0;
 }
 
 void ResourceDispatcherHost::OnResponseCompleted(net::URLRequest* request) {
   VLOG(1) << "OnResponseCompleted: " << request->url().spec();
   ResourceDispatcherHostRequestInfo* info = InfoForRequest(request);
 
   // If the load for a main frame has failed, track it in a histogram,
   // since it will probably cause the user to see an error page.
   if (!request->status().is_success() &&
-      info->resource_type() == ResourceType::MAIN_FRAME) {
+      info->resource_type() == ResourceType::MAIN_FRAME &&
+      request->status().os_error() != net::ERR_ABORTED) {
     UMA_HISTOGRAM_CUSTOM_ENUMERATION("Net.ErrorCodesForMainFrame",
                                      -request->status().os_error(),
                                      GetAllNetErrorCodes());
   }
 
   std::string security_info;
   const net::SSLInfo& ssl_info = request->ssl_info();
   if (ssl_info.cert != NULL) {
     int cert_id = CertStore::GetInstance()->StoreCert(ssl_info.cert,
                                                             info->child_id());
@@ skipping 455 matching lines @@
   return is_prefetch_enabled_;
 }
 
 // static
 void ResourceDispatcherHost::set_is_prefetch_enabled(bool value) {
   is_prefetch_enabled_ = value;
 }
 
 // static
 bool ResourceDispatcherHost::is_prefetch_enabled_ = false;