|  | // 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 CONTENT_BROWSER_APPCACHE_APPCACHE_HISTOGRAMS_H_ | 
|  | #define CONTENT_BROWSER_APPCACHE_APPCACHE_HISTOGRAMS_H_ | 
|  |  | 
|  | #include "base/macros.h" | 
|  | #include "content/browser/appcache/appcache_update_job.h" | 
|  |  | 
|  | namespace base { | 
|  | class TimeDelta; | 
|  | } | 
|  |  | 
|  | namespace url { | 
|  | class Origin; | 
|  | } | 
|  |  | 
|  | namespace content { | 
|  |  | 
|  | class AppCacheHistograms { | 
|  | public: | 
|  | enum InitResultType { | 
|  | INIT_OK, SQL_DATABASE_ERROR, DISK_CACHE_ERROR, | 
|  | NUM_INIT_RESULT_TYPES | 
|  | }; | 
|  | static void CountInitResult(InitResultType init_result); | 
|  | static void CountReinitAttempt(bool repeated_attempt); | 
|  | static void CountCorruptionDetected(); | 
|  | static void CountUpdateJobResult(AppCacheUpdateJob::ResultType result, | 
|  | const url::Origin& origin_url); | 
|  | enum CheckResponseResultType { | 
|  | RESPONSE_OK, MANIFEST_OUT_OF_DATE, RESPONSE_OUT_OF_DATE, ENTRY_NOT_FOUND, | 
|  | READ_HEADERS_ERROR, READ_DATA_ERROR, UNEXPECTED_DATA_SIZE, CHECK_CANCELED, | 
|  | NUM_CHECK_RESPONSE_RESULT_TYPES | 
|  | }; | 
|  | static void CountCheckResponseResult(CheckResponseResultType result); | 
|  | static void CountResponseRetrieval(bool success, | 
|  | bool is_main_resource, | 
|  | const url::Origin& origin_url); | 
|  | static void LogUpdateFailureStats(const url::Origin& origin_url, | 
|  | int percent_complete, | 
|  | bool was_making_progress, | 
|  | bool off_origin_resource_failure); | 
|  | static void AddTaskQueueTimeSample(const base::TimeDelta& duration); | 
|  | static void AddTaskRunTimeSample(const base::TimeDelta& duration); | 
|  | static void AddCompletionQueueTimeSample(const base::TimeDelta& duration); | 
|  | static void AddCompletionRunTimeSample(const base::TimeDelta& duration); | 
|  | static void AddNetworkJobStartDelaySample(const base::TimeDelta& duration); | 
|  | static void AddErrorJobStartDelaySample(const base::TimeDelta& duration); | 
|  | static void AddAppCacheJobStartDelaySample(const base::TimeDelta& duration); | 
|  | static void AddMissingManifestEntrySample(); | 
|  |  | 
|  | enum MissingManifestCallsiteType { | 
|  | CALLSITE_0, CALLSITE_1, CALLSITE_2, CALLSITE_3, | 
|  | NUM_MISSING_MANIFEST_CALLSITE_TYPES | 
|  | }; | 
|  | static void AddMissingManifestDetectedAtCallsite( | 
|  | MissingManifestCallsiteType type); | 
|  |  | 
|  | private: | 
|  | DISALLOW_IMPLICIT_CONSTRUCTORS(AppCacheHistograms); | 
|  | }; | 
|  |  | 
|  | }  // namespace content | 
|  |  | 
|  | #endif  // CONTENT_BROWSER_APPCACHE_APPCACHE_HISTOGRAMS_H_ |