[ios] Removed -[CRWWebDelegate webDidAddPendingURL].

ios/chrome/browser/tabs/tab.mm

 // Copyright 2012 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/chrome/browser/tabs/tab.h"
 
 #import <CoreLocation/CoreLocation.h>
 #import <UIKit/UIKit.h>
 
 #include <utility>
@@ skipping 1767 matching lines @@
     base::RecordAction(UserMetricsAction("MobileTabClobbered"));
     if ([parentTabModel_ tabUsageRecorder])
       [parentTabModel_ tabUsageRecorder]->RecordPageLoadStart(self);
   }
   if (![self navigationManager]->GetPendingItem()) {
     // Reset |isVoiceSearchResultsTab| since a new page is being navigated to.
     self.isVoiceSearchResultsTab = NO;
   }
 }
 
-- (void)webDidAddPendingURL {
+- (void)webState:(web::WebState*)webState
+    didStartProvisionalNavigationForURL:(const GURL&)URL {
   [parentTabModel_ notifyTabChanged:self];
   [openInController_ disable];
   [[NSNotificationCenter defaultCenter]
       postNotificationName:
           kTabClosingCurrentDocumentNotificationForCrashReporting
                     object:self];
-  [metricsClientManager_ pageLoadStarted:self.url];
+  [metricsClientManager_ pageLoadStarted:URL];
 }
 
 - (void)webCancelStartLoadingRequest {
   DCHECK(self.webController.loadPhase == web::PAGE_LOADED);
   [parentTabModel_ notifyTabChanged:self];
 }
 
 // Called when the page URL has changed.
 - (void)webDidStartLoadingURL:(const GURL&)currentUrl
           shouldUpdateHistory:(BOOL)updateHistory {
@@ skipping 586 matching lines @@
 
 - (TabModel*)parentTabModel {
   return parentTabModel_;
 }
 
 - (FormInputAccessoryViewController*)inputAccessoryViewController {
   return inputAccessoryViewController_.get();
 }
 
 @end