PageLoadMetricsObservers observe individual page loads

chrome/browser/page_load_metrics/observers/google_captcha_observer.cc

Index: chrome/browser/page_load_metrics/observers/google_captcha_observer.cc
diff --git a/chrome/browser/page_load_metrics/observers/google_captcha_observer.cc b/chrome/browser/page_load_metrics/observers/google_captcha_observer.cc
index 960cc3420b8d74406e195cc2c3306675e80f7221..78807abc9883f628fc9bda803e89b2783307e5a4 100644
--- a/chrome/browser/page_load_metrics/observers/google_captcha_observer.cc
+++ b/chrome/browser/page_load_metrics/observers/google_captcha_observer.cc
@@ -43,7 +43,7 @@ bool IsGoogleCaptcha(const GURL& url) {
 
 GoogleCaptchaObserver::GoogleCaptchaObserver(
     page_load_metrics::PageLoadMetricsObservable* metrics)
- : metrics_(metrics) {}
+    : PageLoadMetricsObserver(metrics) {}
 
 void GoogleCaptchaObserver::OnCommit(
     content::NavigationHandle* navigation_handle) {
@@ -57,9 +57,4 @@ void GoogleCaptchaObserver::OnRedirect(
     RecordGoogleCaptchaEvent(GOOGLE_CAPTCHA_SOLVED);
 }
 
-void GoogleCaptchaObserver::OnPageLoadMetricsGoingAway() {
-  metrics_->RemoveObserver(this);
-  delete this;
-}
-
 }  // namespace google_captcha_observer