Replaced webControllerWebProcessDidCrash: with RenderProcessGone.

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 4534 matching lines @@
 }
 
 - (void)webViewWebProcessDidCrash {
   _webProcessIsDead = YES;
 
   SEL cancelDialogsSelector = @selector(cancelDialogsForWebController:);
   if ([self.UIDelegate respondsToSelector:cancelDialogsSelector])
     [self.UIDelegate cancelDialogsForWebController:self];
   _webStateImpl->CancelDialogs();
 
-  SEL rendererCrashSelector = @selector(webControllerWebProcessDidCrash:);
-  if ([self.delegate respondsToSelector:rendererCrashSelector])
-    [self.delegate webControllerWebProcessDidCrash:self];
+  _webStateImpl->OnRenderProcessGone();
 }
 
 - (web::WKWebViewConfigurationProvider&)webViewConfigurationProvider {
   web::BrowserState* browserState = self.webStateImpl->GetBrowserState();
   return web::WKWebViewConfigurationProvider::FromBrowserState(browserState);
 }
 
 - (web::WebViewDocumentType)webViewDocumentType {
   // This happens during tests.
   if (!_webView) {
@@ skipping 967 matching lines @@
   }
 
   return web::WEB_VIEW_DOCUMENT_TYPE_GENERIC;
 }
 
 - (NSString*)refererFromNavigationAction:(WKNavigationAction*)action {
   return [action.request valueForHTTPHeaderField:@"Referer"];
 }
 
 @end