Add a Certificate Viewer link to the Page Info dropdown

chrome/browser/flag_descriptions.h

 // Copyright 2017 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_FLAG_DESCRIPTIONS_H_
 #define CHROME_BROWSER_FLAG_DESCRIPTIONS_H_
 
 // Includes needed for macros allowing conditional compilation of some strings.
 #include "build/build_config.h"
 #include "build/buildflag.h"
@@ skipping 1721 matching lines @@
 #if defined(OS_WIN)
 
 // Name of the flag to enable AppContainer lockdown experiment.
 extern const char kEnableAppcontainerName[];
 
 // Description of the flag to enable AppContainer lockdown experiment.
 extern const char kEnableAppcontainerDescription[];
 
 #endif  // defined(OS_WIN)
 
+#if defined(TOOLKIT_VIEWS) || (defined(OS_MACOSX) && !defined(OS_IOS))
+
+// Name of the flag to add the Certificate Viewer link to the Page Info UI.
+extern const char kShowCertLinkOnPageInfoName[];
+
+// Description of the flag to add the Certificate Viewer link to the Page
+// Info UI.
+extern const char kShowCertLinkOnPageInfoDescription[];
+
+#endif  // defined(TOOLKIT_VIEWS) || (defined(OS_MACOSX) && !defined(OS_IOS))
+
 #if defined(TOOLKIT_VIEWS) || defined(OS_ANDROID)
 
 // Name of the flag to enable uploading Autofill credit cards.
 extern const char kAutofillCreditCardUploadName[];
 
 // Description of the flag to enable uploading Autofill credit cards.
 extern const char kAutofillCreditCardUploadDescription[];
 
 #endif  // defined(TOOLKIT_VIEWS) || defined(OS_ANDROID)
 
@@ skipping 1560 matching lines @@
 // current URL.
 extern const char kOmniboxDisplayTitleForCurrentUrlName[];
 
 // Description of the about: flag for displaying the title of the omnibox match
 // for current URL.
 extern const char kOmniboxDisplayTitleForCurrentUrlDescription[];
 
 }  // namespace flag_descriptions
 
 #endif  // CHROME_BROWSER_FLAG_DESCRIPTIONS_H_