Adding instrumentation to locate the source of jankiness
[chromium-blink-merge.git] / chrome / browser / metrics / chrome_metrics_service_accessor.cc
blob56cdfd38e2b9f2bb199d3896dfc6f1a9a43a9a00
1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "chrome/browser/metrics/chrome_metrics_service_accessor.h"
7 #include "base/prefs/pref_service.h"
8 #include "chrome/browser/browser_process.h"
9 #include "chrome/common/pref_names.h"
10 #include "components/metrics/metrics_service.h"
11 #include "components/variations/metrics_util.h"
13 #if defined(OS_CHROMEOS)
14 #include "chrome/browser/chromeos/settings/cros_settings.h"
15 #endif
17 // static
18 bool ChromeMetricsServiceAccessor::IsMetricsReportingEnabled() {
19 bool result = false;
20 const PrefService* local_state = g_browser_process->local_state();
21 if (local_state) {
22 const PrefService::Preference* uma_pref =
23 local_state->FindPreference(prefs::kMetricsReportingEnabled);
24 if (uma_pref) {
25 bool success = uma_pref->GetValue()->GetAsBoolean(&result);
26 DCHECK(success);
29 return result;
32 bool ChromeMetricsServiceAccessor::IsCrashReportingEnabled() {
33 #if defined(GOOGLE_CHROME_BUILD)
34 #if defined(OS_CHROMEOS)
35 bool reporting_enabled = false;
36 chromeos::CrosSettings::Get()->GetBoolean(chromeos::kStatsReportingPref,
37 &reporting_enabled);
38 return reporting_enabled;
39 #elif defined(OS_ANDROID)
40 // Android has its own settings for metrics / crash uploading.
41 const PrefService* prefs = g_browser_process->local_state();
42 return prefs->GetBoolean(prefs::kCrashReportingEnabled);
43 #else
44 return ChromeMetricsServiceAccessor::IsMetricsReportingEnabled();
45 #endif
46 #else
47 return false;
48 #endif
51 // static
52 bool ChromeMetricsServiceAccessor::RegisterSyntheticFieldTrial(
53 const std::string& trial_name,
54 const std::string& group_name) {
55 return RegisterSyntheticFieldTrialWithNameHash(metrics::HashName(trial_name),
56 group_name);
59 // static
60 bool ChromeMetricsServiceAccessor::RegisterSyntheticFieldTrialWithNameHash(
61 uint32_t trial_name_hash,
62 const std::string& group_name) {
63 return MetricsServiceAccessor::RegisterSyntheticFieldTrial(
64 g_browser_process->metrics_service(),
65 trial_name_hash,
66 metrics::HashName(group_name));