Fully deprecate core.js. Moved last method to error.js.

ios/web/web_state/ui/crw_web_controller.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/web/web_state/ui/crw_web_controller.h"
 
 #import <WebKit/WebKit.h>
 
 #import <objc/runtime.h>
 #include <stddef.h>
@@ skipping 4924 matching lines @@
   ProceduralBlock defaultNavigationBlock = ^{
     web::NavigationItem* item = self.currentNavItem;
     GURL navigationURL = item ? item->GetURL() : GURL::EmptyGURL();
     [self registerLoadRequest:navigationURL
                      referrer:self.currentNavItemReferrer
                    transition:self.currentTransition];
     [self loadRequest:request];
   };
 
   // When navigating via WKBackForwardListItem to pages created or updated by
-  // calls to pushState() and replaceState(), sometimes core.js is not injected
-  // correctly.  This means that calling window.history navigation functions
-  // will invoke WKWebView's non-overridden implementations, causing a mismatch
-  // between the WKBackForwardList and NavigationManager.
-  // TODO(crbug.com/659816): Figure out how to prevent core.js injection flake.
+  // calls to pushState() and replaceState(), sometimes web_bundle.js is not
+  // injected correctly.  This means that calling window.history navigation
+  // functions will invoke WKWebView's non-overridden implementations, causing a
+  // mismatch between the WKBackForwardList and NavigationManager.
+  // TODO(crbug.com/659816): Figure out how to prevent web_bundle.js injection
+  // flake.
   if (currentItem->HasStateBeenReplaced() ||
       currentItem->IsCreatedFromPushState()) {
     defaultNavigationBlock();
     return;
   }
 
   // If there is no corresponding WKBackForwardListItem, or the item is not in
   // the current WKWebView's back-forward list, navigating using WKWebView API
   // is not possible. In this case, fall back to the default navigation
   // mechanism.
@@ skipping 105 matching lines @@
 - (void)simulateLoadRequestWithURL:(const GURL&)URL {
   _lastRegisteredRequestURL = URL;
   _loadPhase = web::LOAD_REQUESTED;
 }
 
 - (NSString*)referrerFromNavigationAction:(WKNavigationAction*)action {
   return [action.request valueForHTTPHeaderField:kReferrerHeaderName];
 }
 
 @end