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Side by Side Diff: chrome/browser/cache_manager_host.h

Issue 7995: Move Time, TimeDelta and TimeTicks into namespace base. (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: Created 12 years, 2 months ago
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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // This is the browser side of the cache manager, it tracks the activity of the 5 // This is the browser side of the cache manager, it tracks the activity of the
6 // render processes and allocates available memory cache resources. 6 // render processes and allocates available memory cache resources.
7 7
8 #ifndef CHROME_BROWSER_CACHE_MANAGER_HOST_H__ 8 #ifndef CHROME_BROWSER_CACHE_MANAGER_HOST_H__
9 #define CHROME_BROWSER_CACHE_MANAGER_HOST_H__ 9 #define CHROME_BROWSER_CACHE_MANAGER_HOST_H__
10 10
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61 61
62 // Sets the global size limit, forcing a recalculation of cache allocations. 62 // Sets the global size limit, forcing a recalculation of cache allocations.
63 void SetGlobalSizeLimit(size_t bytes); 63 void SetGlobalSizeLimit(size_t bytes);
64 64
65 // Gets the default global size limit. This interrogates system metrics to 65 // Gets the default global size limit. This interrogates system metrics to
66 // tune the default size to the current system. 66 // tune the default size to the current system.
67 static size_t GetDefaultGlobalSizeLimit(); 67 static size_t GetDefaultGlobalSizeLimit();
68 68
69 protected: 69 protected:
70 // The amount of idle time before we consider a tab to be "inactive" 70 // The amount of idle time before we consider a tab to be "inactive"
71 static const TimeDelta kRendererInactiveThreshold; 71 static const base::TimeDelta kRendererInactiveThreshold;
72 72
73 // Keep track of some renderer information. 73 // Keep track of some renderer information.
74 struct RendererInfo : CacheManager::UsageStats { 74 struct RendererInfo : CacheManager::UsageStats {
75 // The access time for this renderer. 75 // The access time for this renderer.
76 Time access; 76 base::Time access;
77 }; 77 };
78 78
79 typedef std::map<int, RendererInfo> StatsMap; 79 typedef std::map<int, RendererInfo> StatsMap;
80 80
81 // An allocation is the number of bytes a specific renderer should use for 81 // An allocation is the number of bytes a specific renderer should use for
82 // its cache. 82 // its cache.
83 typedef std::pair<int,size_t> Allocation; 83 typedef std::pair<int,size_t> Allocation;
84 84
85 // An allocation strategy is a list of allocations specifying the resources 85 // An allocation strategy is a list of allocations specifying the resources
86 // each renderer is permitted to consume for its cache. 86 // each renderer is permitted to consume for its cache.
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184 // recently than they have been active. 184 // recently than they have been active.
185 std::set<int> inactive_renderers_; 185 std::set<int> inactive_renderers_;
186 186
187 ScopedRunnableMethodFactory<CacheManagerHost> revise_allocation_factory_; 187 ScopedRunnableMethodFactory<CacheManagerHost> revise_allocation_factory_;
188 188
189 DISALLOW_EVIL_CONSTRUCTORS(CacheManagerHost); 189 DISALLOW_EVIL_CONSTRUCTORS(CacheManagerHost);
190 }; 190 };
191 191
192 #endif // CHROME_BROWSER_CACHE_MANAGER_HOST_H__ 192 #endif // CHROME_BROWSER_CACHE_MANAGER_HOST_H__
193 193
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