Added WebStateImpl::OnNavigationFinished().

ios/web/web_state/web_state_impl.h

Index: ios/web/web_state/web_state_impl.h
diff --git a/ios/web/web_state/web_state_impl.h b/ios/web/web_state/web_state_impl.h
index 5d722b4412dca5a0b81a02d2800e4436034b34c3..3ec75465960ef1aaa94bd6b2643b207713a5409a 100644
--- a/ios/web/web_state/web_state_impl.h
+++ b/ios/web/web_state/web_state_impl.h
@@ -41,6 +41,7 @@ class BrowserState;
 struct ContextMenuParams;
 struct FaviconURL;
 struct LoadCommittedDetails;
+class NavigationContext;
 class NavigationManager;
 class SessionCertificatePolicyCacheImpl;
 class WebInterstitialImpl;
@@ -75,6 +76,9 @@ class WebStateImpl : public WebState, public NavigationManagerDelegate {
   // Notifies the observers that a provisional navigation has started.
   void OnProvisionalNavigationStarted(const GURL& url);
 
+  // Called when a navigation is finished.
+  void OnNavigationFinished(web::NavigationContext* context);
+
   // Called when a navigation is committed.
   void OnNavigationCommitted(const GURL& url);