Rename MetricsServiceHelper to ChromeMetricsServiceAccessor.

chrome/browser/metrics/chrome_metrics_service_accessor.cc

+// Copyright 2014 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 "chrome/browser/metrics/chrome_metrics_service_accessor.h"
+
+#include "base/prefs/pref_service.h"
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/metrics/metrics_service.h"
+#include "chrome/common/pref_names.h"
+#include "components/metrics/metrics_service_observer.h"
+
+#if defined(OS_CHROMEOS)
+#include "chrome/browser/chromeos/settings/cros_settings.h"
+#endif
+
+// static
+bool ChromeMetricsServiceAccessor::IsMetricsReportingEnabled() {
+  bool result = false;
+  const PrefService* local_state = g_browser_process->local_state();
+  if (local_state) {
+    const PrefService::Preference* uma_pref =
+        local_state->FindPreference(prefs::kMetricsReportingEnabled);
+    if (uma_pref) {
+      bool success = uma_pref->GetValue()->GetAsBoolean(&result);
+      DCHECK(success);
+    }
+  }
+  return result;
+}
+
+bool ChromeMetricsServiceAccessor::IsCrashReportingEnabled() {
+#if defined(GOOGLE_CHROME_BUILD)
+#if defined(OS_CHROMEOS)
+  bool reporting_enabled = false;
+  chromeos::CrosSettings::Get()->GetBoolean(chromeos::kStatsReportingPref,
+                                            &reporting_enabled);
+  return reporting_enabled;
+#elif defined(OS_ANDROID)
+  // Android has its own settings for metrics / crash uploading.
+  const PrefService* prefs = g_browser_process->local_state();
+  return prefs->GetBoolean(prefs::kCrashReportingEnabled);
+#else
+  return ChromeMetricsServiceAccessor::IsMetricsReportingEnabled();
+#endif
+#else
+  return false;
+#endif
+}
+
+void ChromeMetricsServiceAccessor::AddMetricsServiceObserver(
+    MetricsServiceObserver* observer) {
+  MetricsService* metrics_service = g_browser_process->metrics_service();
+  if (metrics_service)
+    metrics_service->AddObserver(observer);
+}
+
+void ChromeMetricsServiceAccessor::RemoveMetricsServiceObserver(
+    MetricsServiceObserver* observer) {
+  MetricsService* metrics_service = g_browser_process->metrics_service();
+  if (metrics_service)
+    metrics_service->RemoveObserver(observer);
+}