Introduce IOSChromeMetricsServicesManagerClient

ios/chrome/browser/metrics/ios_chrome_metrics_services_manager_client.cc

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "ios/chrome/browser/metrics/ios_chrome_metrics_services_manager_client.h"
+
+#include "base/command_line.h"
+#include "base/logging.h"
+#include "base/prefs/pref_service.h"
+#include "components/metrics/metrics_state_manager.h"
+#include "components/rappor/rappor_service.h"
+#include "components/variations/service/variations_service.h"
+#include "ios/chrome/browser/application_context.h"
+#include "ios/chrome/browser/chrome_switches.h"
+#include "ios/chrome/browser/metrics/ios_chrome_metrics_service_accessor.h"
+#include "ios/chrome/browser/metrics/ios_chrome_metrics_service_client.h"
+#include "ios/chrome/browser/ui/browser_otr_state.h"
+#include "ios/chrome/browser/variations/ios_chrome_variations_service_client.h"
+#include "ios/chrome/browser/variations/ios_ui_string_overrider_factory.h"
+#include "ios/public/provider/chrome/browser/chrome_browser_provider.h"
+
+namespace {
+
+void PostStoreMetricsClientInfo(const metrics::ClientInfo& client_info) {}
+
+scoped_ptr<metrics::ClientInfo> LoadMetricsClientInfo() {
+  return scoped_ptr<metrics::ClientInfo>();
+}
+
+}  // namespace
+
+IOSChromeMetricsServicesManagerClient::IOSChromeMetricsServicesManagerClient(
+    PrefService* local_state)
+    : local_state_(local_state) {
+  DCHECK(local_state);
+}
+
+IOSChromeMetricsServicesManagerClient::
+    ~IOSChromeMetricsServicesManagerClient() {
+  ios::GetChromeBrowserProvider()->OnMetricsServicesManagerClientDestroyed();
+}
+
+scoped_ptr<rappor::RapporService>
+IOSChromeMetricsServicesManagerClient::CreateRapporService() {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  return make_scoped_ptr(new rappor::RapporService(
+      local_state_, base::Bind(&::IsOffTheRecordSessionActive)));
+}
+
+scoped_ptr<variations::VariationsService>
+IOSChromeMetricsServicesManagerClient::CreateVariationsService() {
+  DCHECK(thread_checker_.CalledOnValidThread());
+
+  // NOTE: On iOS, disabling background networking is not supported, so pass in
+  // a dummy value for the name of the switch that disables background
+  // networking.
+  return variations::VariationsService::Create(
+      make_scoped_ptr(new IOSChromeVariationsServiceClient), local_state_,
+      GetMetricsStateManager(), "dummyDisableBackgroundSwitch",
+      ::CreateUIStringOverrider());
+}
+
+scoped_ptr<metrics::MetricsServiceClient>
+IOSChromeMetricsServicesManagerClient::CreateMetricsServiceClient() {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  return IOSChromeMetricsServiceClient::Create(GetMetricsStateManager(),
+                                               local_state_);
+}
+
+net::URLRequestContextGetter*
+IOSChromeMetricsServicesManagerClient::GetURLRequestContext() {
+  return GetApplicationContext()->GetSystemURLRequestContext();
+}
+
+bool IOSChromeMetricsServicesManagerClient::IsSafeBrowsingEnabled(
+    const base::Closure& on_update_callback) {
+  return ios::GetChromeBrowserProvider()->IsSafeBrowsingEnabled(
+      on_update_callback);
+}
+
+bool IOSChromeMetricsServicesManagerClient::IsMetricsReportingEnabled() {
+  return IOSChromeMetricsServiceAccessor::IsMetricsAndCrashReportingEnabled();
+}
+
+bool IOSChromeMetricsServicesManagerClient::OnlyDoMetricsRecording() {
+  const base::CommandLine* cmdline = base::CommandLine::ForCurrentProcess();
+  return cmdline->HasSwitch(switches::kIOSMetricsRecordingOnly);
+}
+
+metrics::MetricsStateManager*
+IOSChromeMetricsServicesManagerClient::GetMetricsStateManager() {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  if (!metrics_state_manager_) {
+    metrics_state_manager_ = metrics::MetricsStateManager::Create(
+        local_state_, base::Bind(&IOSChromeMetricsServiceAccessor::
+                                     IsMetricsAndCrashReportingEnabled),
+        base::Bind(&PostStoreMetricsClientInfo),
+        base::Bind(&LoadMetricsClientInfo));
+  }
+  return metrics_state_manager_.get();
+}