Log the creation of several more dialog box types.

chrome/browser/ui/views/extensions/extension_dialog.cc

Index: chrome/browser/ui/views/extensions/extension_dialog.cc
diff --git a/chrome/browser/ui/views/extensions/extension_dialog.cc b/chrome/browser/ui/views/extensions/extension_dialog.cc
index d1f52d5be5229c8dd9a9c7152b07b9ddf09e0de9..66202415937afac855651c5ae99686dbccde9213 100644
--- a/chrome/browser/ui/views/extensions/extension_dialog.cc
+++ b/chrome/browser/ui/views/extensions/extension_dialog.cc
@@ -8,6 +8,7 @@
 #include "chrome/browser/extensions/extension_view_host.h"
 #include "chrome/browser/extensions/extension_view_host_factory.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/browser_dialogs.h"
 #include "chrome/browser/ui/views/extensions/extension_dialog_observer.h"
 #include "chrome/browser/ui/views/extensions/extension_view_views.h"
 #include "components/constrained_window/constrained_window_views.h"
@@ -52,6 +53,7 @@ ExtensionDialog::ExtensionDialog(extensions::ExtensionViewHost* host,
   registrar_.Add(this,
                  extensions::NOTIFICATION_EXTENSION_PROCESS_TERMINATED,
                  content::Source<BrowserContext>(host->browser_context()));
+  chrome::RecordDialogCreation(chrome::DialogIdentifier::EXTENSION);
 }
 
 ExtensionDialog::~ExtensionDialog() {