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chrome/browser/page_load_metrics/observers/data_reduction_proxy_metrics_observer.cc

Index: chrome/browser/page_load_metrics/observers/data_reduction_proxy_metrics_observer.cc
diff --git a/chrome/browser/page_load_metrics/observers/data_reduction_proxy_metrics_observer.cc b/chrome/browser/page_load_metrics/observers/data_reduction_proxy_metrics_observer.cc
index e0a445497921a99852fed6905e4c743c7f78d0f7..d43162c3d7586bdbdf7c8e013c372a1077e2ff60 100644
--- a/chrome/browser/page_load_metrics/observers/data_reduction_proxy_metrics_observer.cc
+++ b/chrome/browser/page_load_metrics/observers/data_reduction_proxy_metrics_observer.cc
@@ -95,28 +95,22 @@ page_load_metrics::PageLoadMetricsObserver::ObservePolicy
 DataReductionProxyMetricsObserver::OnCommit(
     content::NavigationHandle* navigation_handle) {
   // This BrowserContext is valid for the lifetime of
   // DataReductionProxyMetricsObserver. BrowserContext is always valid and
   // non-nullptr in NavigationControllerImpl, which is a member of WebContents.
   // A raw pointer to BrowserContext taken at this point will be valid until
   // after WebContent's destructor. The latest that PageLoadTracker's destructor
   // will be called is in MetricsWebContentsObserver's destrcutor, which is
   // called in WebContents destructor.
   browser_context_ = navigation_handle->GetWebContents()->GetBrowserContext();
-  // As documented in content/public/browser/navigation_handle.h, this
-  // NavigationData is a clone of the NavigationData instance returned from
-  // ResourceDispatcherHostDelegate::GetNavigationData during commit.
-  // Because ChromeResourceDispatcherHostDelegate always returns a
-  // ChromeNavigationData, it is safe to static_cast here.
   ChromeNavigationData* chrome_navigation_data =
-      static_cast<ChromeNavigationData*>(
-          navigation_handle->GetNavigationData());
+      ChromeNavigationData::GetForNavigationHandle(navigation_handle);
   if (!chrome_navigation_data)
     return STOP_OBSERVING;
   data_reduction_proxy::DataReductionProxyData* data =
       chrome_navigation_data->GetDataReductionProxyData();
   if (!data)
     return STOP_OBSERVING;
   data_ = data->DeepCopy();
   // DataReductionProxy page loads should only occur on HTTP navigations.
   DCHECK(!data_->used_data_reduction_proxy() ||
          !navigation_handle->GetURL().SchemeIsCryptographic());