Removed -[CRWWebDelegate webController:titleDidChange:].

ios/web/public/test/fakes/crw_test_web_state_observer.mm

Index: ios/web/public/test/fakes/crw_test_web_state_observer.mm
diff --git a/ios/web/public/test/fakes/crw_test_web_state_observer.mm b/ios/web/public/test/fakes/crw_test_web_state_observer.mm
index b7e785c0fddfb9d6d77a9be4534878e64e5dd16f..1d79daf3fafada6d69544c61a921ae8ffbfefe93 100644
--- a/ios/web/public/test/fakes/crw_test_web_state_observer.mm
+++ b/ios/web/public/test/fakes/crw_test_web_state_observer.mm
@@ -29,6 +29,8 @@ TestUpdateFaviconUrlCandidatesInfo::~TestUpdateFaviconUrlCandidatesInfo() =
   // Arguments passed to |webState:didChangeLoadingProgress:|.
   std::unique_ptr<web::TestChangeLoadingProgressInfo>
       _changeLoadingProgressInfo;
+  // Arguments passed to |webStateDidChangeTitle:|.
+  std::unique_ptr<web::TestTitleWasSetInfo> _titleWasSetInfo;
   // Arguments passed to
   // |webState:didSubmitDocumentWithFormNamed:userInitiated:|.
   std::unique_ptr<web::TestSubmitDocumentInfo> _submitDocumentInfo;
@@ -72,6 +74,10 @@ TestUpdateFaviconUrlCandidatesInfo::~TestUpdateFaviconUrlCandidatesInfo() =
   return _changeLoadingProgressInfo.get();
 }
 
+- (web::TestTitleWasSetInfo*)titleWasSetInfo {
+  return _titleWasSetInfo.get();
+}
+
 - (web::TestSubmitDocumentInfo*)submitDocumentInfo {
   return _submitDocumentInfo.get();
 }
@@ -143,6 +149,11 @@ TestUpdateFaviconUrlCandidatesInfo::~TestUpdateFaviconUrlCandidatesInfo() =
   _changeLoadingProgressInfo->progress = progress;
 }
 
+- (void)webStateDidChangeTitle:(web::WebState*)webState {
+  _titleWasSetInfo = base::MakeUnique<web::TestTitleWasSetInfo>();
+  _titleWasSetInfo->web_state = webState;
+}
+
 - (void)webState:(web::WebState*)webState
     didSubmitDocumentWithFormNamed:(const std::string&)formName
                      userInitiated:(BOOL)userInitiated {