Removed -[CRWWebDelegate webController:titleDidChange:].

ios/web/public/web_state/web_state_observer_bridge.h

Index: ios/web/public/web_state/web_state_observer_bridge.h
diff --git a/ios/web/public/web_state/web_state_observer_bridge.h b/ios/web/public/web_state/web_state_observer_bridge.h
index 9ee95c4c4241622aae80f5b9223a58af76c89d0b..0eeeae4ee34e5ca20f0f94c52d977bf888663f4e 100644
--- a/ios/web/public/web_state/web_state_observer_bridge.h
+++ b/ios/web/public/web_state/web_state_observer_bridge.h
@@ -45,6 +45,9 @@ class GURL;
 - (void)webState:(web::WebState*)webState
     didChangeLoadingProgress:(double)progress;
 
+// Invoked by WebStateObserverBridge::TitleWasSet.
+- (void)webStateDidChangeTitle:(web::WebState*)webState;
+
 // Invoked by WebStateObserverBridge::DocumentSubmitted.
 - (void)webState:(web::WebState*)webState
     didSubmitDocumentWithFormNamed:(const std::string&)formName
@@ -103,6 +106,7 @@ class WebStateObserverBridge : public web::WebStateObserver {
   void UrlHashChanged() override;
   void HistoryStateChanged() override;
   void LoadProgressChanged(double progress) override;
+  void TitleWasSet() override;
   void DocumentSubmitted(const std::string& form_name,
                          bool user_initiated) override;
   void FormActivityRegistered(const std::string& form_name,