Mark pending item as created from hash change if necessary.

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 1844 matching lines @@
   BOOL initialNavigation = !self.currentNavItem;
 
   web::NavigationInitiationType navigationInitiationType =
       params.is_renderer_initiated
           ? web::NavigationInitiationType::RENDERER_INITIATED
           : web::NavigationInitiationType::USER_INITIATED;
   self.navigationManagerImpl->AddPendingItem(
       params.url, params.referrer, params.transition_type,
       navigationInitiationType, params.user_agent_override_option);
 
+  // Mark pending item as created from hash change if necessary. This is needed
+  // because window.hashchange message may not arrive on time.
+  web::NavigationItemImpl* pendingItem = self.sessionController.pendingItem;
+  if (pendingItem) {
+    GURL lastCommittedURL = _webStateImpl->GetLastCommittedURL();
+    GURL pendingURL = pendingItem->GetURL();
+    if (lastCommittedURL != pendingURL &&
+        lastCommittedURL.EqualsIgnoringRef(pendingURL)) {
+      pendingItem->SetIsCreatedFromHashChange(true);
+    }
+  }
+
   web::NavigationItemImpl* addedItem = self.currentNavItem;
   DCHECK(addedItem);
   if (params.extra_headers)
     addedItem->AddHttpRequestHeaders(params.extra_headers);
   if (params.post_data) {
     DCHECK([addedItem->GetHttpRequestHeaders() objectForKey:@"Content-Type"])
         << "Post data should have an associated content type";
     addedItem->SetPostData(params.post_data);
     addedItem->SetShouldSkipRepostFormConfirmation(true);
   }
@@ skipping 3345 matching lines @@
 - (NSUInteger)observerCount {
   DCHECK_EQ(_observerBridges.size(), [_observers count]);
   return [_observers count];
 }
 
 - (NSString*)referrerFromNavigationAction:(WKNavigationAction*)action {
   return [action.request valueForHTTPHeaderField:kReferrerHeaderName];
 }
 
 @end