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 87cb737df931742cfe4bf8f54be9748dc7051e4f..73e22c2b769925c499e541ce48de56b3ff1a7417 100644
--- a/chrome/browser/ui/webui/print_preview/print_preview_handler.h
+++ b/chrome/browser/ui/webui/print_preview/print_preview_handler.h
@@ -145,8 +145,12 @@ class PrintPreviewHandler
   // First element of |args| is the data to persist.
   void HandleSaveAppState(const base::ListValue* args);
 
+  // A printer has been chosen from the printer list.  First element of |args|
+  // is the printer name.
+  void HandlePrinterSelected(const base::ListValue* args);
+
   // Gets the printer capabilities. First element of |args| is the printer name.

[Lei Zhang, 2016/11/02 23:09:22]

Comment is out of date. Does HandleGetPrinterCapabilities() even exist anymore?

[skau, 2016/11/03 22:38:08]

Upon further consideration, I've reverted this since the result of the call is
the same as before.

-  void HandleGetPrinterCapabilities(const base::ListValue* args);
+  void HandleGetPrinterCapabilities(const std::string& printer_name);
 
 #if BUILDFLAG(ENABLE_BASIC_PRINT_DIALOG)
   // Asks the initiator renderer to show the native print system dialog. |args|