Moved WebView(ScrollView)Proxy files to ui subdirectory.

ios/chrome/browser/ui/contextual_search/contextual_search_results_view.mm

 // Copyright 2016 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.
 
 #include "ios/chrome/browser/ui/contextual_search/contextual_search_results_view.h"
 
 #include <memory>
 
 #import "base/ios/weak_nsobject.h"
 #include "base/mac/scoped_nsobject.h"
 #import "ios/chrome/browser/tabs/tab.h"
 #import "ios/chrome/browser/ui/contextual_search/contextual_search_metrics.h"
 #import "ios/chrome/browser/ui/contextual_search/contextual_search_panel_view.h"
 #import "ios/chrome/browser/ui/contextual_search/contextual_search_web_state_observer.h"
 #import "ios/chrome/common/material_timing.h"
 #include "ios/web/public/load_committed_details.h"
-#import "ios/web/public/web_state/crw_web_view_proxy.h"
-#import "ios/web/public/web_state/crw_web_view_scroll_view_proxy.h"
 #import "ios/web/public/web_state/ui/crw_native_content_provider.h"
+#import "ios/web/public/web_state/ui/crw_web_view_proxy.h"
+#import "ios/web/public/web_state/ui/crw_web_view_scroll_view_proxy.h"
 #import "ios/web/web_state/ui/crw_web_controller.h"
 
 namespace {
 enum SearchResultsViewVisibility { OFFSCREEN, PRELOAD, VISIBLE };
 }
 
 @interface ContextualSearchResultsView ()<ContextualSearchWebStateDelegate,
                                           CRWNativeContentProvider>
 
 // Can the search results be scrolled currently?
@@ skipping 324 matching lines @@
                                                        withError:error
                                                           isPost:isPost];
 
   if ([errorController respondsToSelector:@selector(setScrollEnabled:)]) {
     [errorController setScrollEnabled:NO];
   }
   return errorController;
 }
 
 @end