Reversed WebState <-> CRWWebController ownership.

ios/web/web_state/ui/crw_wk_web_view_web_controller.mm

 // Copyright 2014 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_wk_web_view_web_controller.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 271 matching lines @@
 
 // Called when WKWebView URL has been changed.
 - (void)webViewURLDidChange;
 
 @end
 
 @implementation CRWWKWebViewWebController
 
 #pragma mark CRWWebController public methods
 
-- (instancetype)initWithWebState:(std::unique_ptr<web::WebStateImpl>)webState {
-  DCHECK(webState);
-  web::BrowserState* browserState = webState->GetBrowserState();
-  self = [super initWithWebState:std::move(webState)];
+- (instancetype)initWithWebState:(web::WebStateImpl*)webState {
+  self = [super initWithWebState:webState];
   if (self) {
+    DCHECK(webState);
+    web::BrowserState* browserState = webState->GetBrowserState();
     _certVerificationController.reset([[CRWCertVerificationController alloc]
         initWithBrowserState:browserState]);
     _certVerificationErrors.reset(
         new CertVerificationErrorsCacheType(kMaxCertErrorsCount));
   }
   return self;
 }
 
 - (void)terminateNetworkActivity {
   web::CertStore::GetInstance()->RemoveCertsForGroup(self.certGroupID);
@@ skipping 1256 matching lines @@
         runJavaScriptTextInputPanelWithPrompt:prompt
                                   defaultText:defaultText
                                    requestURL:requestURL
                             completionHandler:completionHandler];
   } else if (completionHandler) {
     completionHandler(nil);
   }
 }
 
 @end