Index: ios/web/web_state/ui/crw_web_view_scroll_view_proxy.mm |
diff --git a/ios/web/web_state/ui/crw_web_view_scroll_view_proxy.mm b/ios/web/web_state/ui/crw_web_view_scroll_view_proxy.mm |
index a11229edbb8062480b96c03fb54b65318da95ba3..144e20c42f8ed24dbc1ac495c8012110f34ea161 100644 |
--- a/ios/web/web_state/ui/crw_web_view_scroll_view_proxy.mm |
+++ b/ios/web/web_state/ui/crw_web_view_scroll_view_proxy.mm |
@@ -209,6 +209,12 @@ |
[_observers webViewScrollViewDidZoom:self]; |
} |
+- (void)scrollViewWillBeginZooming:(UIScrollView*)scrollView |
+ withView:(UIView*)view { |
+ DCHECK_EQ(_scrollView, scrollView); |
+ [_observers webViewScrollViewWillBeginZooming:self]; |
+} |
+ |
#pragma mark - |
+ (NSArray*)scrollViewObserverKeyPaths { |