chrome/browser/domain_reliability/service_factory.cc

   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.
   4
   5 #include "chrome/browser/domain_reliability/service_factory.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/metrics/field_trial.h"
   9 #include "base/prefs/pref_service.h"
  10 #include "chrome/browser/browser_process.h"
  11 #include "chrome/common/chrome_switches.h"
  12 #include "chrome/common/pref_names.h"
  13 #include "components/domain_reliability/service.h"
  14 #include "components/keyed_service/content/browser_context_dependency_manager.h"
  15 #include "content/public/browser/browser_context.h"
  16
  17 namespace domain_reliability {
  18
  19 namespace {
  20
  21 // Identifies Chrome as the source of Domain Reliability uploads it sends.
  22 const char* kDomainReliabilityUploadReporterString = "chrome";
  23
  24 bool IsDomainReliabilityMonitoringEnabled() {
  25   CommandLine* command_line = CommandLine::ForCurrentProcess();
  26   if (command_line->HasSwitch(switches::kDisableDomainReliability))
  27     return false;
  28   if (command_line->HasSwitch(switches::kEnableDomainReliability))
  29     return true;
  30   return base::FieldTrialList::FindFullName("DomRel-Enable") == "enable";
  31 }
  32
  33 }  // namespace
  34
  35 // static
  36 DomainReliabilityService*
  37 DomainReliabilityServiceFactory::GetForBrowserContext(
  38     content::BrowserContext* context) {
  39   return static_cast<DomainReliabilityService*>(
  40       GetInstance()->GetServiceForBrowserContext(context,
  41                                                  /* create = */ true));
  42 }
  43
  44 // static
  45 DomainReliabilityServiceFactory*
  46 DomainReliabilityServiceFactory::GetInstance() {
  47   return Singleton<DomainReliabilityServiceFactory>::get();
  48 }
  49
  50 DomainReliabilityServiceFactory::DomainReliabilityServiceFactory()
  51     : BrowserContextKeyedServiceFactory(
  52           "DomainReliabilityService",
  53           BrowserContextDependencyManager::GetInstance()) {}
  54
  55 DomainReliabilityServiceFactory::~DomainReliabilityServiceFactory() {}
  56
  57 KeyedService* DomainReliabilityServiceFactory::BuildServiceInstanceFor(
  58     content::BrowserContext* context) const {
  59   if (!IsDomainReliabilityMonitoringEnabled())
  60     return NULL;
  61
  62   if (!g_browser_process->local_state()->GetBoolean(
  63           prefs::kMetricsReportingEnabled)) {
  64     return NULL;
  65   }
  66
  67   return DomainReliabilityService::Create(
  68       kDomainReliabilityUploadReporterString);
  69 }
  70
  71 }  // namespace domain_reliability