Track renderer crash detected on WebState via GlobalWebStateObserver

ios/chrome/browser/metrics/ios_chrome_stability_metrics_provider.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_stability_metrics_provider.h"
-
-IOSChromeStabilityMetricsProvider::IOSChromeStabilityMetricsProvider(
-    PrefService* local_state)
-    : helper_(local_state), recording_enabled_(false) {}
-
-IOSChromeStabilityMetricsProvider::~IOSChromeStabilityMetricsProvider() {}
-
-void IOSChromeStabilityMetricsProvider::OnRecordingEnabled() {
-  recording_enabled_ = true;
-}
-
-void IOSChromeStabilityMetricsProvider::OnRecordingDisabled() {
-  recording_enabled_ = false;
-}
-
-void IOSChromeStabilityMetricsProvider::ProvideStabilityMetrics(
-    metrics::SystemProfileProto* system_profile_proto) {
-  helper_.ProvideStabilityMetrics(system_profile_proto);
-}
-
-void IOSChromeStabilityMetricsProvider::ClearSavedStabilityMetrics() {
-  helper_.ClearSavedStabilityMetrics();
-}
-
-void IOSChromeStabilityMetricsProvider::LogRendererCrash() {
-  if (!recording_enabled_)
-    return;
-
-  // The actual termination code isn't provided on iOS; use a dummy value.
-  // TODO(blundell): Think about having StabilityMetricsHelper have a variant
-  // that doesn't supply these arguments to make this cleaner.
-  int dummy_termination_code = 105;
-  helper_.LogRendererCrash(false /* not an extension process */,
-                           base::TERMINATION_STATUS_ABNORMAL_TERMINATION,
-                           dummy_termination_code);
-}
-
-void IOSChromeStabilityMetricsProvider::WebStateDidStartLoading(
-    web::WebState* web_state) {
-  if (!recording_enabled_)
-    return;
-
-  helper_.LogLoadStarted();
-}