Add UMA Precache.Freshness.Prefetch

components/precache/core/precache_database.h

 // Copyright 2013 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 COMPONENTS_PRECACHE_CORE_PRECACHE_DATABASE_H_
 #define COMPONENTS_PRECACHE_CORE_PRECACHE_DATABASE_H_
 
 #include <stdint.h>
 
 #include <list>
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/containers/hash_tables.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/threading/thread_checker.h"
 #include "components/precache/core/precache_fetcher.h"
 #include "components/precache/core/precache_session_table.h"
 #include "components/precache/core/precache_url_table.h"
+#include "net/http/http_response_info.h"

[bengr, 2016/07/21 00:03:27]

Forward declare instead.

 
 class GURL;
 
 namespace base {
 class FilePath;
 class Time;
 }
 
 namespace sql {
 class Connection;
@@ skipping 22 matching lines @@
   void DeleteExpiredPrecacheHistory(const base::Time& current_time);
 
   // Delete all history entries from the database.
   void ClearHistory();
 
   // Report precache-related metrics in response to a URL being fetched, where
   // the fetch was motivated by precaching.
   void RecordURLPrefetch(const GURL& url,
                          const base::TimeDelta& latency,
                          const base::Time& fetch_time,
-                         int64_t size,
-                         bool was_cached);
+                         const net::HttpResponseInfo& info,
+                         int64_t size);
 
   // Report precache-related metrics in response to a URL being fetched, where
   // the fetch was not motivated by precaching. |is_connection_cellular|
   // indicates whether the current network connection is a cellular network.
   void RecordURLNonPrefetch(const GURL& url,
                             const base::TimeDelta& latency,
                             const base::Time& fetch_time,
+                            const net::HttpResponseInfo& info,
                             int64_t size,
-                            bool was_cached,
                             int host_rank,
                             bool is_connection_cellular);
 
   // Gets the state required to continue a precache session.
   std::unique_ptr<PrecacheUnfinishedWork> GetUnfinishedWork();
 
   // Stores the state required to continue a precache session so that the
   // session can be resumed later.
   void SaveUnfinishedWork(
       std::unique_ptr<PrecacheUnfinishedWork> unfinished_work);
@@ skipping 49 matching lines @@
   base::ThreadChecker thread_checker_;
 
   base::WeakPtrFactory<PrecacheDatabase> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PrecacheDatabase);
 };
 
 }  // namespace precache
 
 #endif  // COMPONENTS_PRECACHE_CORE_PRECACHE_DATABASE_H_