| Index: ios/web_view/public/cwv_scroll_view_delegate.h | 
| diff --git a/ios/web_view/public/cwv_scroll_view_delegate.h b/ios/web_view/public/cwv_scroll_view_delegate.h | 
| index d5eee58a9d2cd2d004918d3dfcb6c48cb143bdc6..f9bc5cace05256ed031207c526d9f283f5bfde4e 100644 | 
| --- a/ios/web_view/public/cwv_scroll_view_delegate.h | 
| +++ b/ios/web_view/public/cwv_scroll_view_delegate.h | 
| @@ -23,6 +23,11 @@ CWV_EXPORT | 
| targetContentOffset:(inout CGPoint*)targetContentOffset; | 
| - (void)scrollViewDidScroll:(CWVScrollView*)scrollView; | 
| - (void)scrollViewDidEndDecelerating:(CWVScrollView*)scrollView; | 
| + | 
| +// The equivalent in UIScrollViewDelegate also takes a parameter (UIView*)view, | 
| +// but CWVScrollViewDelegate doesn't expose it for flexibility of future | 
| +// implementation. | 
| +- (void)scrollViewWillBeginZooming:(CWVScrollView*)webViewScrollViewProxy; | 
| @end | 
|  | 
| #endif  // IOS_WEB_VIEW_PUBLIC_CWV_SCROLL_VIEW_DELEGATE_H_ | 
|  |