Index: chrome/browser/net/cache_stats.h |
=================================================================== |
--- chrome/browser/net/cache_stats.h (revision 152373) |
+++ chrome/browser/net/cache_stats.h (working copy) |
@@ -1,127 +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_NET_CACHE_STATS_H_ |
-#define CHROME_BROWSER_NET_CACHE_STATS_H_ |
- |
-#include <map> |
-#include <vector> |
- |
-#include "base/basictypes.h" |
-#include "base/compiler_specific.h" |
-#include "base/hash_tables.h" |
-#include "base/memory/scoped_ptr.h" |
-#include "base/message_loop.h" |
-#include "base/time.h" |
-#include "chrome/browser/net/chrome_url_request_context.h" |
-#include "content/public/browser/web_contents_observer.h" |
-#include "net/base/network_delegate.h" |
- |
-class TabContents; |
- |
-namespace base { |
-class Histogram; |
-} |
- |
-namespace net { |
-class URLRequest; |
-class URLRequestContext; |
-} |
- |
-#if defined(COMPILER_GCC) |
- |
-namespace BASE_HASH_NAMESPACE { |
-template <> |
-struct hash<const net::URLRequestContext*> { |
- std::size_t operator()(const net::URLRequestContext* value) const { |
- return reinterpret_cast<std::size_t>(value); |
- } |
-}; |
-} |
- |
-#endif |
- |
-namespace chrome_browser_net { |
- |
-// This class collects UMA stats about cache performance. |
-class CacheStats { |
- public: |
- enum TabEvent { |
- SPINNER_START, |
- SPINNER_STOP |
- }; |
- CacheStats(); |
- ~CacheStats(); |
- |
- void OnCacheWaitStateChange(const net::URLRequest& request, |
- net::NetworkDelegate::CacheWaitState state); |
- void OnTabEvent(std::pair<int, int> render_view_id, TabEvent event); |
- void RegisterURLRequestContext(const net::URLRequestContext* context, |
- ChromeURLRequestContext::ContextType type); |
- void UnregisterURLRequestContext(const net::URLRequestContext* context); |
- |
- private: |
- struct TabLoadStats; |
- // A map mapping a renderer's process id and route id to a TabLoadStats, |
- // representing that renderer's load statistics. |
- typedef std::map<std::pair<int, int>, TabLoadStats*> TabLoadStatsMap; |
- |
- // Gets TabLoadStats for a given RenderView. |
- TabLoadStats* GetTabLoadStats(std::pair<int, int> render_view_id); |
- // Deletes TabLoadStats no longer needed for a render view. |
- void RemoveTabLoadStats(std::pair<int, int> render_view_id); |
- // Sets a timer for a given tab to collect stats. |timer_index| indicates |
- // how many times stats have been collected since the navigation has started |
- // for this tab. |
- void ScheduleTimer(TabLoadStats* stats); |
- // The callback when a timer fires to collect stats again. |
- void TimerCallback(TabLoadStats* stats); |
- // Helper function to put the current set of cache statistics into an UMA |
- // histogram. |
- void RecordCacheFractionHistogram(base::TimeDelta elapsed, |
- base::TimeDelta cache_time, |
- bool is_load_done, |
- int timer_index); |
- |
- TabLoadStatsMap tab_load_stats_; |
- std::vector<base::Histogram*> final_histograms_; |
- std::vector<base::Histogram*> intermediate_histograms_; |
- base::hash_set<const net::URLRequestContext*> main_request_contexts_; |
- |
- DISALLOW_COPY_AND_ASSIGN(CacheStats); |
-}; |
- |
-// A WebContentsObserver watching all tabs, notifying CacheStats |
-// whenever the spinner starts or stops for a given tab, and when a renderer |
-// is no longer used. |
-class CacheStatsTabHelper : public content::WebContentsObserver { |
- public: |
- explicit CacheStatsTabHelper(TabContents* tab); |
- virtual ~CacheStatsTabHelper(); |
- |
- // content::WebContentsObserver implementation |
- virtual void DidStartProvisionalLoadForFrame( |
- int64 frame_id, |
- bool is_main_frame, |
- const GURL& validated_url, |
- bool is_error_page, |
- content::RenderViewHost* render_view_host) OVERRIDE; |
- virtual void DidStopLoading( |
- content::RenderViewHost* render_view_host) OVERRIDE; |
- |
- private: |
- // Calls into CacheStats to notify that a reportable event has occurred |
- // for the tab being observed. |
- void NotifyCacheStats(CacheStats::TabEvent event, |
- content::RenderViewHost* render_view_host); |
- |
- CacheStats* cache_stats_; |
- bool is_otr_profile_; |
- |
- DISALLOW_COPY_AND_ASSIGN(CacheStatsTabHelper); |
-}; |
- |
-} // namespace chrome_browser_net |
- |
-#endif // CHROME_BROWSER_NET_CACHE_STATS_H_ |