Moved WebView(ScrollView)Proxy files to ui subdirectory.

ios/web/web_state/ui/crw_web_view_proxy_impl.h

Index: ios/web/web_state/ui/crw_web_view_proxy_impl.h
diff --git a/ios/web/web_state/crw_web_view_proxy_impl.h b/ios/web/web_state/ui/crw_web_view_proxy_impl.h
similarity index 77%
rename from ios/web/web_state/crw_web_view_proxy_impl.h
rename to ios/web/web_state/ui/crw_web_view_proxy_impl.h
index 53074406bc1fc2f1370e1d2ccff89caee126d5fe..98fe0ee3d30a41cbb58120f59e2dac040a1baada 100644
--- a/ios/web/web_state/crw_web_view_proxy_impl.h
+++ b/ios/web/web_state/ui/crw_web_view_proxy_impl.h
@@ -2,13 +2,13 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef IOS_WEB_WEB_STATE_CRW_WEB_VIEW_PROXY_IMPL_H_
-#define IOS_WEB_WEB_STATE_CRW_WEB_VIEW_PROXY_IMPL_H_
+#ifndef IOS_WEB_WEB_STATE_UI_CRW_WEB_VIEW_PROXY_IMPL_H_
+#define IOS_WEB_WEB_STATE_UI_CRW_WEB_VIEW_PROXY_IMPL_H_
 
 #import <UIKit/UIKit.h>
 
-#import "ios/web/public/web_state/crw_web_view_proxy.h"
 #import "ios/web/public/web_state/ui/crw_content_view.h"
+#import "ios/web/public/web_state/ui/crw_web_view_proxy.h"
 
 @class CRWWebController;
 
@@ -25,4 +25,4 @@
 
 @end
 
-#endif  // IOS_WEB_WEB_STATE_CRW_WEB_VIEW_PROXY_IMPL_H_
+#endif  // IOS_WEB_WEB_STATE_UI_CRW_WEB_VIEW_PROXY_IMPL_H_