Add a shortcut that opens Certificate Viewer from the Page Info flyout

chrome/browser/ui/cocoa/website_settings/website_settings_bubble_controller.mm

Index: chrome/browser/ui/cocoa/website_settings/website_settings_bubble_controller.mm
diff --git a/chrome/browser/ui/cocoa/website_settings/website_settings_bubble_controller.mm b/chrome/browser/ui/cocoa/website_settings/website_settings_bubble_controller.mm
index 31b9d3c240e563cc295f4abb0f0d254758d22be0..71a5dc133dfa9cca80ebbb9981c31ac356748acf 100644
--- a/chrome/browser/ui/cocoa/website_settings/website_settings_bubble_controller.mm
+++ b/chrome/browser/ui/cocoa/website_settings/website_settings_bubble_controller.mm
@@ -414,12 +414,23 @@ bool IsInternalURL(const GURL& url) {
 - (void)openConnectionHelp:(id)sender {
   DCHECK(webContents_);
   DCHECK(presenter_);
-  presenter_->RecordWebsiteSettingsAction(
-      WebsiteSettings::WEBSITE_SETTINGS_CONNECTION_HELP_OPENED);
-  webContents_->OpenURL(content::OpenURLParams(
-      GURL(chrome::kPageInfoHelpCenterURL), content::Referrer(),
-      WindowOpenDisposition::NEW_FOREGROUND_TAB, ui::PAGE_TRANSITION_LINK,
-      false));
+
+  // Shift+Click of this link launches the Certificate Viewer directly.
+  BOOL shiftKeyDown = ([[NSApp currentEvent] modifierFlags] &
+                       (NSShiftKeyMask | NSAlphaShiftKeyMask)) != 0;
+  if (certificate_ && shiftKeyDown) {
+    presenter_->RecordWebsiteSettingsAction(
+        WebsiteSettings::WEBSITE_SETTINGS_CERTIFICATE_DIALOG_OPENED);
+    [self showCertificateInfo:sender];
+  } else {
+    // Otherwise, open the Connection Security Help topic.
+    presenter_->RecordWebsiteSettingsAction(
+        WebsiteSettings::WEBSITE_SETTINGS_CONNECTION_HELP_OPENED);
+    webContents_->OpenURL(content::OpenURLParams(
+        GURL(chrome::kPageInfoHelpCenterURL), content::Referrer(),
+        WindowOpenDisposition::NEW_FOREGROUND_TAB, ui::PAGE_TRANSITION_LINK,
+        false));
+  }
 }
 
 // Handler for the link button to show certificate information.