Add metrics for DHCP WPAD feature.

content/browser/renderer_host/resource_dispatcher_host.cc

 // Copyright (c) 2011 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 "content/browser/renderer_host/resource_dispatcher_host.h"
 
 #include <set>
 #include <vector>
@@ skipping 193 matching lines @@
   response->response_head.was_npn_negotiated = request->was_npn_negotiated();
   response->response_head.was_fetched_via_proxy =
       request->was_fetched_via_proxy();
   response->response_head.socket_address = request->GetSocketAddress();
   appcache::AppCacheInterceptor::GetExtraResponseInfo(
       request,
       &response->response_head.appcache_id,
       &response->response_head.appcache_manifest_url);
 }
 
-// Returns a list of all the possible error codes from the network module.
-// Note that the error codes are all positive (since histograms expect positive
-// sample values).
-std::vector<int> GetAllNetErrorCodes() {
-  std::vector<int> all_error_codes;
-#define NET_ERROR(label, value) all_error_codes.push_back(-(value));
-#include "net/base/net_error_list.h"
-#undef NET_ERROR
-  return all_error_codes;
-}
-
 void RemoveDownloadFileFromChildSecurityPolicy(int child_id,
                                                const FilePath& path) {
   ChildProcessSecurityPolicy::GetInstance()->RevokeAllPermissionsForFile(
       child_id, path);
 }
 
 #if defined(OS_WIN)
 #pragma warning(disable: 4748)
 #pragma optimize("", off)
 #endif
@@ skipping 1370 matching lines @@
   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 &&
       request->status().os_error() != net::ERR_ABORTED) {
     UMA_HISTOGRAM_CUSTOM_ENUMERATION("Net.ErrorCodesForMainFrame",
                                      -request->status().os_error(),
-                                     GetAllNetErrorCodes());
+                                     net::GetAllErrorCodesForUma());
   }
 
   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());
     security_info = SSLManager::SerializeSecurityInfo(
         cert_id, ssl_info.cert_status, ssl_info.security_bits,
         ssl_info.connection_status);
@@ skipping 438 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;