Allow cert-popup for WebView guests.

chrome/browser/ui/cocoa/ssl_client_certificate_selector_cocoa.mm

 // Copyright (c) 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 "chrome/browser/ui/cocoa/ssl_client_certificate_selector_cocoa.h"
 
 #import <SecurityInterface/SFChooseIdentityPanel.h>
 
 #include "base/logging.h"
 #include "base/mac/foundation_util.h"
@@ skipping 64 matching lines @@
 void ShowSSLClientCertificateSelector(
     content::WebContents* contents,
     net::SSLCertRequestInfo* cert_request_info,
     scoped_ptr<content::ClientCertificateDelegate> delegate) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   // Not all WebContentses can show modal dialogs.
   //
   // TODO(davidben): Move this hook to the WebContentsDelegate and only try to
   // show a dialog in Browser's implementation. https://crbug.com/456255
-  if (web_modal::PopupManager::FromWebContents(contents) == nullptr)
+  if (!ConstrainedWindowMac::HasTopLevelDialogManager(contents))
     return;
 
   // The dialog manages its own lifetime.
   SSLClientCertificateSelectorCocoa* selector =
       [[SSLClientCertificateSelectorCocoa alloc]
           initWithBrowserContext:contents->GetBrowserContext()
                  certRequestInfo:cert_request_info
                         delegate:delegate.Pass()];
   [selector displayForWebContents:contents];
 }
@@ skipping 160 matching lines @@
 }
 
 - (void)onConstrainedWindowClosed {
   observer_->StopObserving();
   panel_.reset();
   constrainedWindow_.reset();
   [self release];
 }
 
 @end