Adds HostResolveImpl Requests and Jobs to log.

chrome/browser/io_thread.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.
 
 #include "chrome/browser/io_thread.h"
 
 #include "base/command_line.h"
 #include "base/leak_tracker.h"
 #include "base/logging.h"
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_thread.h"
 #include "chrome/browser/gpu_process_host.h"
 #include "chrome/browser/net/chrome_net_log.h"
 #include "chrome/browser/net/predictor_api.h"
 #include "chrome/browser/net/passive_log_collector.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/net/url_fetcher.h"
 #include "net/base/mapped_host_resolver.h"
 #include "net/base/host_cache.h"
 #include "net/base/host_resolver.h"
 #include "net/base/host_resolver_impl.h"
 #include "net/base/net_util.h"
 #include "net/http/http_auth_filter.h"
 #include "net/http/http_auth_handler_factory.h"
 
 namespace {
 
-net::HostResolver* CreateGlobalHostResolver() {
+net::HostResolver* CreateGlobalHostResolver(net::NetLog* net_log) {
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
 
   size_t parallelism = net::HostResolver::kDefaultParallelism;
 
   // Use the concurrency override from the command-line, if any.
   if (command_line.HasSwitch(switches::kHostResolverParallelism)) {
     std::string s =
         command_line.GetSwitchValueASCII(switches::kHostResolverParallelism);
 
     // Parse the switch (it should be a positive integer formatted as decimal).
     int n;
     if (base::StringToInt(s, &n) && n > 0) {
       parallelism = static_cast<size_t>(n);
     } else {
       LOG(ERROR) << "Invalid switch for host resolver parallelism: " << s;
     }
   }
 
   net::HostResolver* global_host_resolver =
-      net::CreateSystemHostResolver(parallelism);
+      net::CreateSystemHostResolver(parallelism, net_log);
 
   // Determine if we should disable IPv6 support.
   if (!command_line.HasSwitch(switches::kEnableIPv6)) {
     if (command_line.HasSwitch(switches::kDisableIPv6)) {
       global_host_resolver->SetDefaultAddressFamily(net::ADDRESS_FAMILY_IPV4);
     } else {
       net::HostResolverImpl* host_resolver_impl =
           global_host_resolver->GetAsHostResolverImpl();
       if (host_resolver_impl != NULL) {
         // (optionally) Use probe to decide if support is warranted.
@@ skipping 118 matching lines @@
   globals_ = new Globals;
 
   globals_->net_log.reset(new ChromeNetLog());
 
   // Add an observer that will emit network change events to the ChromeNetLog.
   // Assuming NetworkChangeNotifier dispatches in FIFO order, we should be
   // logging the network change before other IO thread consumers respond to it.
   network_change_observer_.reset(
       new LoggingNetworkChangeObserver(globals_->net_log.get()));
 
-  globals_->host_resolver = CreateGlobalHostResolver();
+  globals_->host_resolver = CreateGlobalHostResolver(globals_->net_log.get());
   globals_->http_auth_handler_factory.reset(CreateDefaultAuthHandlerFactory(
       globals_->host_resolver));
 }
 
 void IOThread::CleanUp() {
   // This must be reset before the ChromeNetLog is destroyed.
   network_change_observer_.reset();
 
   // If any child processes are still running, terminate them and
   // and delete the BrowserChildProcessHost instances to release whatever
@@ skipping 115 matching lines @@
     net::HostCache* host_cache =
         globals_->host_resolver.get()->GetAsHostResolverImpl()->cache();
     if (host_cache)
       host_cache->clear();
   }
   // Clear all of the passively logged data.
   // TODO(eroman): this is a bit heavy handed, really all we need to do is
   //               clear the data pertaining to off the record context.
   globals_->net_log->passive_collector()->Clear();
 }