Remove CRWWKWebViewWebController variables.

ios/web/web_state/ui/crw_wk_web_view_web_controller.mm

 // 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.
 
 #import "ios/web/web_state/ui/crw_wk_web_view_web_controller.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 26 matching lines @@
 #import "ios/web/web_state/ui/web_view_js_utils.h"
 #import "ios/web/web_state/web_state_impl.h"
 #import "ios/web/web_state/wk_web_view_security_util.h"
 #import "net/base/mac/url_conversions.h"
 #include "net/cert/x509_certificate.h"
 #include "net/ssl/ssl_info.h"
 #include "url/url_constants.h"
 
 #pragma mark -
 
-@interface CRWWKWebViewWebController () {
-  // The actual URL of the document object (i.e., the last committed URL).
-  // TODO(crbug.com/549616): Remove this in favor of just updating the
-  // navigation manager and treating that as authoritative. For now, this allows
-  // sharing the flow that's currently in the superclass.
-  GURL _documentURL;
-
-  // YES if the user has interacted with the content area since the last URL
-  // change.
-  BOOL _interactionRegisteredSinceLastURLChange;
-}
+@interface CRWWKWebViewWebController ()
 
 // Returns YES if the given WKBackForwardListItem is valid to use for
 // navigation.
 - (BOOL)isBackForwardListItemValid:(WKBackForwardListItem*)item;
 
 @end
 
 @implementation CRWWKWebViewWebController
 
-#pragma mark - Protected property implementations
-
-- (GURL)documentURL {
-  return _documentURL;
-}
-
-- (BOOL)interactionRegisteredSinceLastURLChange {
-  return _interactionRegisteredSinceLastURLChange;
-}
-
-// Overridden to track interactions since URL change.
-- (void)setUserInteractionRegistered:(BOOL)flag {
-  [super setUserInteractionRegistered:flag];
-  if (flag)
-    _interactionRegisteredSinceLastURLChange = YES;
-}
-
 #pragma mark Protected method implementations
 
-- (GURL)webURLWithTrustLevel:(web::URLVerificationTrustLevel*)trustLevel {
-  DCHECK(trustLevel);
-  *trustLevel = web::URLVerificationTrustLevel::kAbsolute;
-  return _documentURL;
-}
-
 // The core.js cannot pass messages back to obj-c  if it is injected
 // to |WEB_VIEW_DOCUMENT| because it does not support iframe creation used
 // by core.js to communicate back. That functionality is only supported
 // by |WEB_VIEW_HTML_DOCUMENT|. |WEB_VIEW_DOCUMENT| is used when displaying
 // non-HTML contents (e.g. PDF documents).
 - (web::WebViewDocumentType)webViewDocumentType {
   // This happens during tests.
   if (!self.webView) {
     return web::WEB_VIEW_DOCUMENT_TYPE_GENERIC;
   }
@@ skipping 116 matching lines @@
   CGFloat zoomScale = zoomState.zoom_scale();
   if (zoomScale < self.webScrollView.minimumZoomScale)
     zoomScale = self.webScrollView.minimumZoomScale;
   if (zoomScale > self.webScrollView.maximumZoomScale)
     zoomScale = self.webScrollView.maximumZoomScale;
   self.webScrollView.zoomScale = zoomScale;
 }
 
 #pragma mark Private methods
 
-- (void)setDocumentURL:(const GURL&)newURL {
-  if (newURL != _documentURL) {
-    _documentURL = newURL;
-    _interactionRegisteredSinceLastURLChange = NO;
-  }
-}
-
 - (BOOL)isBackForwardListItemValid:(WKBackForwardListItem*)item {
   // The current back-forward list item MUST be in the WKWebView's back-forward
   // list to be valid.
   WKBackForwardList* list = [self.webView backForwardList];
   return list.currentItem == item ||
          [list.forwardList indexOfObject:item] != NSNotFound ||
          [list.backList indexOfObject:item] != NSNotFound;
 }
 
 - (void)webViewWebProcessDidCrash {
@@ skipping 23 matching lines @@
 }
 
 - (void)webViewScrollViewDidEndDragging:
             (CRWWebViewScrollViewProxy*)webViewScrollViewProxy
                          willDecelerate:(BOOL)decelerate {
   [self evaluateJavaScript:@"__gCrWeb.setWebViewScrollViewIsDragging(false)"
        stringResultHandler:nil];
 }
 
 @end