Register and select printer on click.

chrome/browser/ui/webui/print_preview/print_preview_handler.h

Index: chrome/browser/ui/webui/print_preview/print_preview_handler.h
diff --git a/chrome/browser/ui/webui/print_preview/print_preview_handler.h b/chrome/browser/ui/webui/print_preview/print_preview_handler.h
index b9e19d05f499930d2a2cc97b5b976e052317b8f5..ba782047da6826834d8318ae75843a520d1da6dd 100644
--- a/chrome/browser/ui/webui/print_preview/print_preview_handler.h
+++ b/chrome/browser/ui/webui/print_preview/print_preview_handler.h
@@ -146,7 +146,7 @@ class PrintPreviewHandler
   // First element of |args| is the data to persist.
   void HandleSaveAppState(const base::ListValue* args);
 
-  // Gets the printer capabilities. First element of |args| is the printer name.
+  // Gets the printer capabilities for the printer |printer_name|.

[Lei Zhang, 2016/11/03 23:41:46]

You reverted back to HandleGetPrinterCapabilities() but the comment has been
changed to refer to a parameter that does not exist.

[skau, 2016/11/04 19:28:59]

Oops

   void HandleGetPrinterCapabilities(const base::ListValue* args);
 
 #if BUILDFLAG(ENABLE_BASIC_PRINT_DIALOG)