Index: chrome/browser/extensions/api/web_request/web_request_time_tracker.h |
diff --git a/chrome/browser/extensions/api/web_request/web_request_time_tracker.h b/chrome/browser/extensions/api/web_request/web_request_time_tracker.h |
deleted file mode 100644 |
index 39855634295f07afd72df8a6026f1e007a739a7d..0000000000000000000000000000000000000000 |
--- a/chrome/browser/extensions/api/web_request/web_request_time_tracker.h |
+++ /dev/null |
@@ -1,125 +0,0 @@ |
-// 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_EXTENSIONS_API_WEB_REQUEST_WEB_REQUEST_TIME_TRACKER_H_ |
-#define CHROME_BROWSER_EXTENSIONS_API_WEB_REQUEST_WEB_REQUEST_TIME_TRACKER_H_ |
- |
-#include <map> |
-#include <queue> |
-#include <set> |
-#include <string> |
- |
-#include "base/gtest_prod_util.h" |
-#include "base/memory/scoped_ptr.h" |
-#include "base/time/time.h" |
-#include "url/gurl.h" |
- |
-namespace base { |
-class Time; |
-} |
- |
-class ExtensionWebRequestTimeTrackerDelegate { |
- public: |
- virtual ~ExtensionWebRequestTimeTrackerDelegate() {} |
- |
- // Notifies the delegate that |num_delayed_messages| of the last |
- // |total_num_messages| inspected messages were excessively/moderately |
- // delayed. Every excessively delayed message is also counted as a moderately |
- // delayed message. |
- virtual void NotifyExcessiveDelays( |
- void* profile, |
- size_t num_delayed_messages, |
- size_t total_num_messages, |
- const std::set<std::string>& extension_ids) = 0; |
- virtual void NotifyModerateDelays( |
- void* profile, |
- size_t num_delayed_messages, |
- size_t total_num_messages, |
- const std::set<std::string>& extension_ids) = 0; |
-}; |
- |
-// This class keeps monitors how much delay extensions add to network requests |
-// by using the webRequest API. If the delay is sufficient, we will warn the |
-// user that extensions are slowing down the browser. |
-class ExtensionWebRequestTimeTracker { |
- public: |
- ExtensionWebRequestTimeTracker(); |
- ~ExtensionWebRequestTimeTracker(); |
- |
- // Records the time that a request was created. |
- void LogRequestStartTime(int64 request_id, const base::Time& start_time, |
- const GURL& url, void* profile); |
- |
- // Records the time that a request either completed or encountered an error. |
- void LogRequestEndTime(int64 request_id, const base::Time& end_time); |
- |
- // Records an additional delay for the given request caused by the given |
- // extension. |
- void IncrementExtensionBlockTime( |
- const std::string& extension_id, |
- int64 request_id, |
- const base::TimeDelta& block_time); |
- |
- // Records an additional delay for the given request caused by all extensions |
- // combined. |
- void IncrementTotalBlockTime( |
- int64 request_id, |
- const base::TimeDelta& block_time); |
- |
- // Called when an extension has canceled the given request. |
- void SetRequestCanceled(int64 request_id); |
- |
- // Called when an extension has redirected the given request to another URL. |
- void SetRequestRedirected(int64 request_id); |
- |
- // Takes ownership of |delegate|. |
- void SetDelegate(ExtensionWebRequestTimeTrackerDelegate* delegate); |
- |
- private: |
- // Timing information for a single request. |
- struct RequestTimeLog { |
- GURL url; // used for debug purposes only |
- void* profile; // profile that created the request |
- bool completed; |
- base::Time request_start_time; |
- base::TimeDelta request_duration; |
- base::TimeDelta block_duration; |
- std::map<std::string, base::TimeDelta> extension_block_durations; |
- RequestTimeLog(); |
- ~RequestTimeLog(); |
- }; |
- |
- // Called after a request finishes, to analyze the delays and warn the user |
- // if necessary. |
- void Analyze(int64 request_id); |
- |
- // Returns a list of all extension IDs that contributed to delay for |log|. |
- std::set<std::string> GetExtensionIds(const RequestTimeLog& log) const; |
- |
- // A map of recent request IDs to timing info for each request. |
- std::map<int64, RequestTimeLog> request_time_logs_; |
- |
- // A list of recent request IDs that we know about. Used to limit the size of |
- // the logs. |
- std::queue<int64> request_ids_; |
- |
- // The set of recent requests that have been delayed either a large or |
- // moderate amount by extensions. |
- std::set<int64> excessive_delays_; |
- std::set<int64> moderate_delays_; |
- |
- // Defaults to a delegate that sets warnings in the extension service. |
- scoped_ptr<ExtensionWebRequestTimeTrackerDelegate> delegate_; |
- |
- FRIEND_TEST_ALL_PREFIXES(ExtensionWebRequestTimeTrackerTest, Basic); |
- FRIEND_TEST_ALL_PREFIXES(ExtensionWebRequestTimeTrackerTest, |
- IgnoreFastRequests); |
- FRIEND_TEST_ALL_PREFIXES(ExtensionWebRequestTimeTrackerTest, |
- CancelOrRedirect); |
- FRIEND_TEST_ALL_PREFIXES(ExtensionWebRequestTimeTrackerTest, Delays); |
- |
- DISALLOW_COPY_AND_ASSIGN(ExtensionWebRequestTimeTracker); |
-}; |
- |
-#endif // CHROME_BROWSER_EXTENSIONS_API_WEB_REQUEST_WEB_REQUEST_TIME_TRACKER_H_ |