Add a Certificate Viewer link to the Page Info dropdown

chrome/browser/flag_descriptions.h

Index: chrome/browser/flag_descriptions.h
diff --git a/chrome/browser/flag_descriptions.h b/chrome/browser/flag_descriptions.h
index c11429fd5fe19002ab3842687db5cf1af9cc725a..83f113420bf2bcd949beb416a83efe5c2ace8d32 100644
--- a/chrome/browser/flag_descriptions.h
+++ b/chrome/browser/flag_descriptions.h
@@ -1664,6 +1664,17 @@ 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.