Optimizes loading initial printer on non-chromeos platforms.

chrome/browser/printing/print_system_task_proxy.cc

Index: chrome/browser/printing/print_system_task_proxy.cc
diff --git a/chrome/browser/printing/print_system_task_proxy.cc b/chrome/browser/printing/print_system_task_proxy.cc
index 38c6c26a83064a16c4c9933b335c3ec65614bcde..51b96cf68452355a9cbfe336e20c1021d1b4500e 100644
--- a/chrome/browser/printing/print_system_task_proxy.cc
+++ b/chrome/browser/printing/print_system_task_proxy.cc
@@ -117,6 +117,7 @@ using content::BrowserThread;
 
 namespace {
 
+const char kPrinterId[] = "printerId";
 const char kDisableColorOption[] = "disableColorOption";
 const char kSetColorAsDefault[] = "setColorAsDefault";
 const char kSetDuplexAsDefault[] = "setDuplexAsDefault";
@@ -559,6 +560,7 @@ void PrintSystemTaskProxy::GetPrinterCapabilities(
                                  printer_color_space_for_black));
 
   DictionaryValue settings_info;
+  settings_info.SetString(kPrinterId, printer_name);
   settings_info.SetBoolean(kDisableColorOption, disable_color_options);
   if (printer_color_space_for_color == printing::UNKNOWN_COLOR_MODEL)
     printer_color_space_for_color = printing::COLOR;