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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 #include "chrome/browser/memory/tab_manager.h" | 5 #include "chrome/browser/memory/tab_manager.h" |
6 | 6 |
7 #include <stddef.h> | 7 #include <stddef.h> |
8 | 8 |
9 #include <algorithm> | 9 #include <algorithm> |
10 #include <set> | 10 #include <set> |
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50 #include "components/variations/variations_associated_data.h" | 50 #include "components/variations/variations_associated_data.h" |
51 #include "content/public/browser/browser_thread.h" | 51 #include "content/public/browser/browser_thread.h" |
52 #include "content/public/browser/memory_pressure_controller.h" | 52 #include "content/public/browser/memory_pressure_controller.h" |
53 #include "content/public/browser/navigation_controller.h" | 53 #include "content/public/browser/navigation_controller.h" |
54 #include "content/public/browser/render_process_host.h" | 54 #include "content/public/browser/render_process_host.h" |
55 #include "content/public/browser/web_contents.h" | 55 #include "content/public/browser/web_contents.h" |
56 #include "content/public/common/page_importance_signals.h" | 56 #include "content/public/common/page_importance_signals.h" |
57 | 57 |
58 #if defined(OS_CHROMEOS) | 58 #if defined(OS_CHROMEOS) |
59 #include "ash/multi_profile_uma.h" | 59 #include "ash/multi_profile_uma.h" |
60 #include "ash/wm_shell.h" | 60 #include "ash/shell_port.h" |
61 #include "chrome/browser/memory/tab_manager_delegate_chromeos.h" | 61 #include "chrome/browser/memory/tab_manager_delegate_chromeos.h" |
62 #include "components/user_manager/user_manager.h" | 62 #include "components/user_manager/user_manager.h" |
63 #endif | 63 #endif |
64 | 64 |
65 using base::TimeDelta; | 65 using base::TimeDelta; |
66 using base::TimeTicks; | 66 using base::TimeTicks; |
67 using content::BrowserThread; | 67 using content::BrowserThread; |
68 using content::WebContents; | 68 using content::WebContents; |
69 | 69 |
70 namespace memory { | 70 namespace memory { |
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570 | 570 |
571 void TabManager::RecordDiscardStatistics() { | 571 void TabManager::RecordDiscardStatistics() { |
572 discard_count_++; | 572 discard_count_++; |
573 | 573 |
574 // TODO(jamescook): Maybe incorporate extension count? | 574 // TODO(jamescook): Maybe incorporate extension count? |
575 UMA_HISTOGRAM_CUSTOM_COUNTS("Tabs.Discard.TabCount", GetTabCount(), 1, 100, | 575 UMA_HISTOGRAM_CUSTOM_COUNTS("Tabs.Discard.TabCount", GetTabCount(), 1, 100, |
576 50); | 576 50); |
577 #if defined(OS_CHROMEOS) | 577 #if defined(OS_CHROMEOS) |
578 // Record the discarded tab in relation to the amount of simultaneously | 578 // Record the discarded tab in relation to the amount of simultaneously |
579 // logged in users. | 579 // logged in users. |
580 if (ash::WmShell::HasInstance()) { | 580 if (ash::ShellPort::HasInstance()) { |
581 ash::MultiProfileUMA::RecordDiscardedTab( | 581 ash::MultiProfileUMA::RecordDiscardedTab( |
582 user_manager::UserManager::Get()->GetLoggedInUsers().size()); | 582 user_manager::UserManager::Get()->GetLoggedInUsers().size()); |
583 } | 583 } |
584 #endif | 584 #endif |
585 // TODO(jamescook): If the time stats prove too noisy, then divide up users | 585 // TODO(jamescook): If the time stats prove too noisy, then divide up users |
586 // based on how heavily they use Chrome using tab count as a proxy. | 586 // based on how heavily they use Chrome using tab count as a proxy. |
587 // Bin into <= 1, <= 2, <= 4, <= 8, etc. | 587 // Bin into <= 1, <= 2, <= 4, <= 8, etc. |
588 if (last_discard_time_.is_null()) { | 588 if (last_discard_time_.is_null()) { |
589 // This is the first discard this session. | 589 // This is the first discard this session. |
590 TimeDelta interval = NowTicks() - start_time_; | 590 TimeDelta interval = NowTicks() - start_time_; |
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1011 // platform. | 1011 // platform. |
1012 std::string allow_multiple_discards = variations::GetVariationParamValue( | 1012 std::string allow_multiple_discards = variations::GetVariationParamValue( |
1013 features::kAutomaticTabDiscarding.name, "AllowMultipleDiscards"); | 1013 features::kAutomaticTabDiscarding.name, "AllowMultipleDiscards"); |
1014 return (allow_multiple_discards != "true"); | 1014 return (allow_multiple_discards != "true"); |
1015 #else | 1015 #else |
1016 return false; | 1016 return false; |
1017 #endif | 1017 #endif |
1018 } | 1018 } |
1019 | 1019 |
1020 } // namespace memory | 1020 } // namespace memory |
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