Adding histograms showing fraction of page load times

chrome/browser/profiles/profile_io_data.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 "chrome/browser/profiles/profile_io_data.h"
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 10 matching lines @@
 #include "chrome/browser/content_settings/host_content_settings_map.h"
 #include "chrome/browser/custom_handlers/protocol_handler_registry.h"
 #include "chrome/browser/custom_handlers/protocol_handler_registry_factory.h"
 #include "chrome/browser/download/download_service.h"
 #include "chrome/browser/download/download_service_factory.h"
 #include "chrome/browser/extensions/extension_info_map.h"
 #include "chrome/browser/extensions/extension_protocols.h"
 #include "chrome/browser/extensions/extension_resource_protocols.h"
 #include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/io_thread.h"
+#include "chrome/browser/net/cache_stats.h"
 #include "chrome/browser/net/chrome_cookie_notification_details.h"
 #include "chrome/browser/net/chrome_fraudulent_certificate_reporter.h"
 #include "chrome/browser/net/chrome_net_log.h"
 #include "chrome/browser/net/chrome_network_delegate.h"
 #include "chrome/browser/net/http_server_properties_manager.h"
 #include "chrome/browser/net/proxy_service_factory.h"
 #include "chrome/browser/net/resource_prefetch_predictor_observer.h"
 #include "chrome/browser/net/transport_security_persister.h"
 #include "chrome/browser/notifications/desktop_notification_service_factory.h"
 #include "chrome/browser/policy/url_blacklist_manager.h"
@@ skipping 215 matching lines @@
 
   if (main_request_context_.get())
     main_request_context_->AssertNoURLRequests();
   if (extensions_request_context_.get())
     extensions_request_context_->AssertNoURLRequests();
   for (AppRequestContextMap::iterator it = app_request_context_map_.begin();
        it != app_request_context_map_.end(); ++it) {
     it->second->AssertNoURLRequests();
     delete it->second;
   }
+  chrome_browser_net::CacheStats* cache_stats = GetCacheStats();
+  if (cache_stats)
+    cache_stats->UnregisterMainURLRequestContext(main_request_context_.get());
 }
 
 // static
 ProfileIOData* ProfileIOData::FromResourceContext(
     content::ResourceContext* rc) {
   return (static_cast<ResourceContext*>(rc))->io_data_;
 }
 
 // static
 bool ProfileIOData::IsHandledProtocol(const std::string& scheme) {
@@ skipping 173 matching lines @@
   IOThread* const io_thread = profile_params_->io_thread;
   IOThread::Globals* const io_thread_globals = io_thread->globals();
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
 
   // Create the common request contexts.
   main_request_context_.reset(new ChromeURLRequestContext);
   extensions_request_context_.reset(new ChromeURLRequestContext);
 
   chrome_url_data_manager_backend_.reset(new ChromeURLDataManagerBackend);
 
+  chrome_browser_net::CacheStats* cache_stats = GetCacheStats();
+  if (cache_stats)
+    cache_stats->RegisterMainURLRequestContext(main_request_context_.get());
+
   network_delegate_.reset(new ChromeNetworkDelegate(
         io_thread_globals->extension_event_router_forwarder.get(),
         profile_params_->extension_info_map,
         url_blacklist_manager_.get(),
         profile_params_->profile,
         profile_params_->cookie_settings,
-        &enable_referrers_));
+        &enable_referrers_,
+        cache_stats));
 
   fraudulent_certificate_reporter_.reset(
       new chrome_browser_net::ChromeFraudulentCertificateReporter(
           main_request_context_.get()));
 
   proxy_service_.reset(
       ProxyServiceFactory::CreateProxyService(
           io_thread->net_log(),
           io_thread_globals->proxy_script_fetcher_context.get(),
           profile_params_->proxy_config_service.release(),
@@ skipping 100 matching lines @@
 }
 
 void ProfileIOData::set_server_bound_cert_service(
     net::ServerBoundCertService* server_bound_cert_service) const {
   server_bound_cert_service_.reset(server_bound_cert_service);
 }
 
 void ProfileIOData::DestroyResourceContext() {
   resource_context_.reset();
 }
+
+chrome_browser_net::CacheStats* ProfileIOData::GetCacheStats() const {

[rvargas (doing something else), 2012/07/26 02:13:43]

ditto

[tburkard, 2012/07/26 02:50:54]

Done.

+  DCHECK(profile_params_.get());

[rvargas (doing something else), 2012/07/26 02:13:43]

We usually don't dcheck things that will crash the next line.

[tburkard, 2012/07/26 02:50:54]

Done.

+  return profile_params_->io_thread->globals()->cache_stats.get();
+}