Removed -[CRWWebDelegate webController:titleDidChange:].

ios/web/web_state/web_state_impl.mm

Index: ios/web/web_state/web_state_impl.mm
diff --git a/ios/web/web_state/web_state_impl.mm b/ios/web/web_state/web_state_impl.mm
index 824affdf48eab72073423c9a2dae5b684c91e4d5..b386a03b0f961a7ad3400e7d13ef879db41b2e35 100644
--- a/ios/web/web_state/web_state_impl.mm
+++ b/ios/web/web_state/web_state_impl.mm
@@ -207,6 +207,11 @@ void WebStateImpl::OnErrorPageNavigation(const GURL& url) {
     observer.DidFinishNavigation(context.get());
 }
 
+void WebStateImpl::OnTitleChanged() {
+  for (auto& observer : observers_)
+    observer.TitleWasSet();
+}
+
 void WebStateImpl::OnRenderProcessGone() {
   for (auto& observer : observers_)
     observer.RenderProcessGone();