[ios] Added NavigationManager::LoadURLWithParams public API.

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.
 
 #include "ios/web/web_state/web_state_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/strings/sys_string_conversions.h"
@@ skipping 534 matching lines @@
 }
 
 #pragma mark - NavigationManagerDelegate implementation
 
 // Mirror WebContentsImpl::NavigateToPendingEntry() so that
 // NavigationControllerIO::GoBack() actually goes back.
 void WebStateImpl::NavigateToPendingEntry() {
   [web_controller_ loadCurrentURL];
 }
 
+void WebStateImpl::LoadURLWithParams(
+    const NavigationManager::WebLoadParams& params) {
+  [web_controller_ loadWithParams:params];
+}
+
 void WebStateImpl::OnNavigationItemsPruned(size_t pruned_item_count) {
   FOR_EACH_OBSERVER(WebStateObserver, observers_,
                     NavigationItemsPruned(pruned_item_count));
 }
 
 void WebStateImpl::OnNavigationItemChanged() {
   FOR_EACH_OBSERVER(WebStateObserver, observers_, NavigationItemChanged());
 }
 
 void WebStateImpl::OnNavigationItemCommitted(
     const LoadCommittedDetails& load_details) {
   FOR_EACH_OBSERVER(WebStateObserver, observers_,
                     NavigationItemCommitted(load_details));
 }
 
 WebState* WebStateImpl::GetWebState() {
   return this;
 }
 
 }  // namespace web