Allow cert-popup for WebView guests.

chrome/browser/ui/views/certificate_selector.h

 // Copyright 2015 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_CERTIFICATE_SELECTOR_H_
 #define CHROME_BROWSER_UI_VIEWS_CERTIFICATE_SELECTOR_H_
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
@@ skipping 16 matching lines @@
 
 // A base class for dialogs that show a given list of certificates to the user.
 // The user can select a single certificate and look at details of each
 // certificate.
 // The currently selected certificate can be obtained using |GetSelectedCert()|.
 // The explanatory text shown to the user must be provided to |InitWithText()|.
 class CertificateSelector : public views::DialogDelegateView,
                             public views::ButtonListener,
                             public views::TableViewObserver {
  public:
+  // Indicates if the dialog can be successfully shown.
+  // TODO(davidben): Remove this when the certificate selector prompt is moved
+  // to the WebContentsDelegate. https://crbug.com/456255.
+  static bool CanShow(content::WebContents* web_contents);
+
   class CertificateTableModel;
 
   // |web_contents| must not be null.
   CertificateSelector(const net::CertificateList& certificates,
                       content::WebContents* web_contents);
   ~CertificateSelector() override;
 
   // Returns the currently selected certificate or null if none is selected.
   // Must be called after |InitWithText()|.
   net::X509Certificate* GetSelectedCert() const;
@@ skipping 36 matching lines @@
 
   views::TableView* table_;
   views::LabelButton* view_cert_button_;
 
   DISALLOW_COPY_AND_ASSIGN(CertificateSelector);
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_UI_VIEWS_CERTIFICATE_SELECTOR_H_