Adding histograms showing fraction of page load times

chrome/browser/profiles/profile_impl_io_data.h

 // 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.
 
 #ifndef CHROME_BROWSER_PROFILES_PROFILE_IMPL_IO_DATA_H_
 #define CHROME_BROWSER_PROFILES_PROFILE_IMPL_IO_DATA_H_
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/hash_tables.h"
@@ skipping 121 matching lines @@
       ProfileParams* profile_params) const OVERRIDE;
   virtual ChromeURLRequestContext* InitializeAppRequestContext(
       ChromeURLRequestContext* main_context,
       const std::string& app_id) const OVERRIDE;
   virtual ChromeURLRequestContext*
       AcquireMediaRequestContext() const OVERRIDE;
   virtual ChromeURLRequestContext*
       AcquireIsolatedAppRequestContext(
           ChromeURLRequestContext* main_context,
           const std::string& app_id) const OVERRIDE;
+  virtual chrome_browser_net::CacheStats* GetCacheStats(
+      IOThread::Globals* io_thread_globals) const OVERRIDE;
 
   void CreateFtpProtocolHandler(net::URLRequestJobFactory* job_factory,
                                 net::FtpAuthCache* ftp_auth_cache) const;
 
   // Clears the networking history since |time|.
   void ClearNetworkingHistorySinceOnIOThread(base::Time time);
 
   // Lazy initialization params.
   mutable scoped_ptr<LazyParams> lazy_params_;
 
   mutable scoped_ptr<net::HttpTransactionFactory> main_http_factory_;
   mutable scoped_ptr<net::HttpTransactionFactory> media_http_factory_;
   mutable scoped_ptr<net::FtpTransactionFactory> ftp_factory_;
 
   mutable scoped_ptr<chrome_browser_net::Predictor> predictor_;
 
   mutable scoped_ptr<ChromeURLRequestContext> media_request_context_;
 
   mutable scoped_ptr<net::URLRequestJobFactory> main_job_factory_;
   mutable scoped_ptr<net::URLRequestJobFactory> media_request_job_factory_;
   mutable scoped_ptr<net::URLRequestJobFactory> extensions_job_factory_;
 
   // Parameters needed for isolated apps.
   FilePath app_path_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileImplIOData);
 };
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILE_IMPL_IO_DATA_H_