Upstream more leaf files in ios/web/web_state

ios/web/public/web_state/crw_web_view_scroll_view_proxy.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef IOS_WEB_PUBLIC_WEB_STATE_CRW_WEB_VIEW_SCROLL_VIEW_PROXY_H_
 #define IOS_WEB_PUBLIC_WEB_STATE_CRW_WEB_VIEW_SCROLL_VIEW_PROXY_H_
 
 #import <UIKit/UIKit.h>
 
 @protocol CRWWebViewScrollViewProxyObserver;
@@ skipping 26 matching lines @@
 // bypasses a very slow update path in UIWebView.
 - (void)setContentInsetFast:(UIEdgeInsets)contentInset;
 
 - (void)addGestureRecognizer:(UIGestureRecognizer*)gestureRecognizer;
 - (void)removeGestureRecognizer:(UIGestureRecognizer*)gestureRecognizer;
 - (void)setContentOffset:(CGPoint)contentOffset animated:(BOOL)animated;
 
 // Used by the CRWWebViewProxy to set the UIScrollView to be managed.
 - (void)setScrollView:(UIScrollView*)scrollView;
 
-// Copies all display properties that can be set on a CRWWebViewScrollViewProxy
-// from the underlying UIScrollView into |scrollView|.
-- (void)copyPropertiesToScrollView:(UIScrollView*)scrollView;
-
 // Adds |observer| to subscribe to change notifications.
 - (void)addObserver:(id<CRWWebViewScrollViewProxyObserver>)observer;
 
 // Removes |observer| as a subscriber for change notifications.
 - (void)removeObserver:(id<CRWWebViewScrollViewProxyObserver>)observer;
 
 @end
 
 // A protocol to be implemented by objects to listen for changes to the
 // UIScrollView.
@@ skipping 25 matching lines @@
 // It inherit from CRWWebViewScrollViewScrollViewObserver which only implements
 // methods for listening to scrollview changes.
 @protocol CRWWebViewScrollViewProxyObserver<CRWWebViewScrollViewObserver>
 @optional
 // Called when the underlying scrollview of the proxy is set.
 - (void)webViewScrollViewProxyDidSetScrollView:
         (CRWWebViewScrollViewProxy*)webViewScrollViewProxy;
 @end
 
 #endif  // IOS_WEB_PUBLIC_WEB_STATE_CRW_WEB_VIEW_SCROLL_VIEW_PROXY_H_