Removed -[CRWWebDelegate webDidStartLoadingURL:updateHistory:].

ios/web/web_state/web_state_impl.mm

 // Copyright 2013 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/web_state_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/logging.h"
@@ skipping 164 matching lines @@
 
 WebStateFacadeDelegate* WebStateImpl::GetFacadeDelegate() const {
   return facade_delegate_;
 }
 
 void WebStateImpl::SetFacadeDelegate(WebStateFacadeDelegate* facade_delegate) {
   facade_delegate_ = facade_delegate;
 }
 
 void WebStateImpl::OnNavigationCommitted(const GURL& url) {
-  UpdateHttpResponseHeaders(url);
   std::unique_ptr<NavigationContext> context =
       NavigationContextImpl::CreateNavigationContext(this, url);
   for (auto& observer : observers_)
     observer.DidFinishNavigation(context.get());
 }
 
 void WebStateImpl::OnSamePageNavigation(const GURL& url) {
   std::unique_ptr<NavigationContext> context =
       NavigationContextImpl::CreateSamePageNavigationContext(this, url);
   for (auto& observer : observers_)
@@ skipping 536 matching lines @@
     const LoadCommittedDetails& load_details) {
   for (auto& observer : observers_)
     observer.NavigationItemCommitted(load_details);
 }
 
 WebState* WebStateImpl::GetWebState() {
   return this;
 }
 
 }  // namespace web