[ios] Removed -[CRWWebDelegate openURLWithParams:].

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 594 matching lines @@
   return [web_controller_ view];
 }
 
 BrowserState* WebStateImpl::GetBrowserState() const {
   return navigation_manager_.GetBrowserState();
 }
 
 void WebStateImpl::OpenURL(const WebState::OpenURLParams& params) {
   DCHECK(Configured());
   ClearTransientContentView();
-  [[web_controller_ delegate] openURLWithParams:params];
+  if (delegate_)
+    delegate_->OpenURLFromWebState(this, params);
 }
 
 void WebStateImpl::Stop() {
   [web_controller_ stopLoading];
 }
 
 const NavigationManager* WebStateImpl::GetNavigationManager() const {
   return &GetNavigationManagerImpl();
 }
 
@@ skipping 107 matching lines @@
     const LoadCommittedDetails& load_details) {
   for (auto& observer : observers_)
     observer.NavigationItemCommitted(load_details);
 }
 
 WebState* WebStateImpl::GetWebState() {
   return this;
 }
 
 }  // namespace web