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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/chrome_browser_field_trials.h" | 5 #include "chrome/browser/chrome_browser_field_trials.h" |
6 | 6 |
7 #include <string> | 7 #include <string> |
8 | 8 |
| 9 #include "apps/field_trial_names.h" |
| 10 #include "apps/pref_names.h" |
9 #include "base/command_line.h" | 11 #include "base/command_line.h" |
10 #include "base/metrics/field_trial.h" | 12 #include "base/metrics/field_trial.h" |
| 13 #include "base/prefs/pref_service.h" |
11 #include "base/string_util.h" | 14 #include "base/string_util.h" |
12 #include "base/stringprintf.h" | 15 #include "base/stringprintf.h" |
13 #include "base/strings/string_number_conversions.h" | 16 #include "base/strings/string_number_conversions.h" |
14 #include "base/sys_string_conversions.h" | 17 #include "base/sys_string_conversions.h" |
15 #include "base/utf_string_conversions.h" | 18 #include "base/utf_string_conversions.h" |
16 #include "chrome/browser/auto_launch_trial.h" | 19 #include "chrome/browser/auto_launch_trial.h" |
17 #include "chrome/browser/google/google_util.h" | 20 #include "chrome/browser/google/google_util.h" |
18 #include "chrome/browser/gpu/chrome_gpu_util.h" | 21 #include "chrome/browser/gpu/chrome_gpu_util.h" |
19 #include "chrome/browser/metrics/variations/variations_service.h" | 22 #include "chrome/browser/metrics/variations/variations_service.h" |
20 #include "chrome/browser/omnibox/omnibox_field_trial.h" | 23 #include "chrome/browser/omnibox/omnibox_field_trial.h" |
21 #include "chrome/browser/prerender/prerender_field_trial.h" | 24 #include "chrome/browser/prerender/prerender_field_trial.h" |
22 #include "chrome/browser/profiles/profile_manager.h" | 25 #include "chrome/browser/profiles/profile_manager.h" |
23 #include "chrome/browser/safe_browsing/safe_browsing_blocking_page.h" | 26 #include "chrome/browser/safe_browsing/safe_browsing_blocking_page.h" |
24 #include "chrome/browser/ui/sync/one_click_signin_helper.h" | 27 #include "chrome/browser/ui/sync/one_click_signin_helper.h" |
25 #include "chrome/common/chrome_switches.h" | 28 #include "chrome/common/chrome_switches.h" |
26 #include "chrome/common/chrome_version_info.h" | 29 #include "chrome/common/chrome_version_info.h" |
27 #include "chrome/common/metrics/variations/uniformity_field_trials.h" | 30 #include "chrome/common/metrics/variations/uniformity_field_trials.h" |
28 #include "chrome/common/metrics/variations/variations_util.h" | 31 #include "chrome/common/metrics/variations/variations_util.h" |
| 32 #include "chrome/common/pref_names.h" |
29 #include "net/socket/client_socket_pool_base.h" | 33 #include "net/socket/client_socket_pool_base.h" |
30 #include "net/spdy/spdy_session.h" | 34 #include "net/spdy/spdy_session.h" |
31 #include "ui/base/layout.h" | 35 #include "ui/base/layout.h" |
32 | 36 |
33 #if defined(OS_WIN) | 37 #if defined(OS_WIN) |
34 #include "net/socket/tcp_client_socket_win.h" | 38 #include "net/socket/tcp_client_socket_win.h" |
35 #endif // defined(OS_WIN) | 39 #endif // defined(OS_WIN) |
36 | 40 |
37 namespace { | 41 namespace { |
38 | 42 |
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49 } // namespace | 53 } // namespace |
50 | 54 |
51 ChromeBrowserFieldTrials::ChromeBrowserFieldTrials( | 55 ChromeBrowserFieldTrials::ChromeBrowserFieldTrials( |
52 const CommandLine& parsed_command_line) : | 56 const CommandLine& parsed_command_line) : |
53 parsed_command_line_(parsed_command_line) { | 57 parsed_command_line_(parsed_command_line) { |
54 } | 58 } |
55 | 59 |
56 ChromeBrowserFieldTrials::~ChromeBrowserFieldTrials() { | 60 ChromeBrowserFieldTrials::~ChromeBrowserFieldTrials() { |
57 } | 61 } |
58 | 62 |
59 void ChromeBrowserFieldTrials::SetupFieldTrials( | 63 void ChromeBrowserFieldTrials::SetupFieldTrials(PrefService* local_state) { |
60 const base::Time& install_time) { | 64 const base::Time install_time = base::Time::FromTimeT( |
| 65 local_state->GetInt64(prefs::kInstallDate)); |
| 66 DCHECK(!install_time.is_null()); |
61 chrome_variations::SetupUniformityFieldTrials(install_time); | 67 chrome_variations::SetupUniformityFieldTrials(install_time); |
62 SetUpSimpleCacheFieldTrial(); | 68 SetUpSimpleCacheFieldTrial(); |
63 #if !defined(OS_ANDROID) | 69 #if !defined(OS_ANDROID) |
64 SetupDesktopFieldTrials(); | 70 SetupDesktopFieldTrials(local_state); |
65 #endif // defined(OS_ANDROID) | 71 #endif // defined(OS_ANDROID) |
66 } | 72 } |
67 | 73 |
68 void ChromeBrowserFieldTrials::SetupDesktopFieldTrials() { | 74 void ChromeBrowserFieldTrials::SetupDesktopFieldTrials( |
| 75 PrefService* local_state) { |
69 prerender::ConfigurePrefetchAndPrerender(parsed_command_line_); | 76 prerender::ConfigurePrefetchAndPrerender(parsed_command_line_); |
70 SpdyFieldTrial(); | 77 SpdyFieldTrial(); |
71 WarmConnectionFieldTrial(); | 78 WarmConnectionFieldTrial(); |
72 AutoLaunchChromeFieldTrial(); | 79 AutoLaunchChromeFieldTrial(); |
73 gpu_util::InitializeCompositingFieldTrial(); | 80 gpu_util::InitializeCompositingFieldTrial(); |
74 OmniboxFieldTrial::ActivateStaticTrials(); | 81 OmniboxFieldTrial::ActivateStaticTrials(); |
75 SetUpInfiniteCacheFieldTrial(); | 82 SetUpInfiniteCacheFieldTrial(); |
76 SetUpCacheSensitivityAnalysisFieldTrial(); | 83 SetUpCacheSensitivityAnalysisFieldTrial(); |
77 DisableShowProfileSwitcherTrialIfNecessary(); | 84 DisableShowProfileSwitcherTrialIfNecessary(); |
78 WindowsOverlappedTCPReadsFieldTrial(); | 85 WindowsOverlappedTCPReadsFieldTrial(); |
79 #if defined(ENABLE_ONE_CLICK_SIGNIN) | 86 #if defined(ENABLE_ONE_CLICK_SIGNIN) |
80 OneClickSigninHelper::InitializeFieldTrial(); | 87 OneClickSigninHelper::InitializeFieldTrial(); |
81 #endif | 88 #endif |
82 InstantiateDynamicTrials(); | 89 InstantiateDynamicTrials(); |
| 90 SetupAppLauncherFieldTrial(local_state); |
| 91 } |
| 92 |
| 93 void ChromeBrowserFieldTrials::SetupAppLauncherFieldTrial( |
| 94 PrefService* local_state) { |
| 95 if (base::FieldTrialList::FindFullName(apps::kLauncherPromoTrialName) == |
| 96 apps::kResetShowLauncherPromoPrefGroupName) { |
| 97 local_state->SetBoolean(apps::prefs::kShowAppLauncherPromo, true); |
| 98 } |
83 } | 99 } |
84 | 100 |
85 // When --use-spdy not set, users will be in A/B test for spdy. | 101 // When --use-spdy not set, users will be in A/B test for spdy. |
86 // group A (npn_with_spdy): this means npn and spdy are enabled. In case server | 102 // group A (npn_with_spdy): this means npn and spdy are enabled. In case server |
87 // supports spdy, browser will use spdy. | 103 // supports spdy, browser will use spdy. |
88 // group B (npn_with_http): this means npn is enabled but spdy won't be used. | 104 // group B (npn_with_http): this means npn is enabled but spdy won't be used. |
89 // Http is still used for all requests. | 105 // Http is still used for all requests. |
90 // default group: no npn or spdy is involved. The "old" non-spdy | 106 // default group: no npn or spdy is involved. The "old" non-spdy |
91 // chrome behavior. | 107 // chrome behavior. |
92 void ChromeBrowserFieldTrials::SpdyFieldTrial() { | 108 void ChromeBrowserFieldTrials::SpdyFieldTrial() { |
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270 // Call |FindValue()| on the trials below, which may come from the server, to | 286 // Call |FindValue()| on the trials below, which may come from the server, to |
271 // ensure they get marked as "used" for the purposes of data reporting. | 287 // ensure they get marked as "used" for the purposes of data reporting. |
272 base::FieldTrialList::FindValue("UMA-Dynamic-Binary-Uniformity-Trial"); | 288 base::FieldTrialList::FindValue("UMA-Dynamic-Binary-Uniformity-Trial"); |
273 base::FieldTrialList::FindValue("UMA-Dynamic-Uniformity-Trial"); | 289 base::FieldTrialList::FindValue("UMA-Dynamic-Uniformity-Trial"); |
274 base::FieldTrialList::FindValue("InstantDummy"); | 290 base::FieldTrialList::FindValue("InstantDummy"); |
275 base::FieldTrialList::FindValue("InstantChannel"); | 291 base::FieldTrialList::FindValue("InstantChannel"); |
276 base::FieldTrialList::FindValue("Test0PercentDefault"); | 292 base::FieldTrialList::FindValue("Test0PercentDefault"); |
277 // Activate the autocomplete dynamic field trials. | 293 // Activate the autocomplete dynamic field trials. |
278 OmniboxFieldTrial::ActivateDynamicTrials(); | 294 OmniboxFieldTrial::ActivateDynamicTrials(); |
279 } | 295 } |
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