Add a Certificate Viewer link to the Page Info dropdown

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index 664dbb8c8b7b9781dadb8e473229ed5426955423..9b1af0219e2abe422379fbba463164ce5f093bf3 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -760,6 +760,9 @@ const char kSavePageAsMHTML[]               = "save-page-as-mhtml";
 // If true the app list will be shown.
 const char kShowAppList[]                   = "show-app-list";
 
+// If true the Certificate button will be shown in Page Info for HTTPS pages.
+const char kShowCertButton[] = "show-cert-button";
+
 // Does not show an infobar when an extension attaches to a page using
 // chrome.debugger page. Required to attach to extension background pages.
 const char kSilentDebuggerExtensionAPI[]    = "silent-debugger-extension-api";