@protocol WebFrameLoaderClient
+- (BOOL)_hasBackForwardList;
- (void)_resetBackForwardList;
- (BOOL)_provisionalItemIsTarget;
- (void)_clearLoadingFromPageCacheForDocumentLoader:(WebDocumentLoader *)loader;
- (BOOL)_isDocumentLoaderLoadingFromPageCache:(WebDocumentLoader *)documentLoader;
+- (void)_progressStarted;
+- (void)_progressCompleted;
+
+- (void)_incrementProgressForIdentifier:(id)identifier response:(NSURLResponse *)response;
+- (void)_incrementProgressForIdentifier:(id)identifier data:(NSData *)data;
+- (void)_completeProgressForIdentifier:(id)identifier;
+
+- (void)_setMainFrameDocumentReady:(BOOL)ready;
+
+- (void)_willChangeTitleForDocument:(WebDocumentLoader *)loader;
+- (void)_didChangeTitleForDocument:(WebDocumentLoader *)loader;
+
+- (void)_startDownloadWithRequest:(NSURLRequest *)request;
+
@end