Preselecting default printer in print preview tab drop down list in Linux, Mac, Win.

BUG=76290
TEST=Set default printer. Open chrome with --enable-print-preview, hit ctrl+p, the default printer should appear selected in the drop-down list. Close the print preview tab. Change default printer and hit ctrl+p again. The new default printer should be selected.

Review URL: http://codereview.chromium.org/6670099

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@80111 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 10 insertions, 0 deletions

diff --git a/printing/backend/print_backend.h b/printing/backend/print_backend.h
index 5147871..a6caa51 100644
--- a/printing/backend/print_backend.h
+++ b/printing/backend/print_backend.h
@@ -24,6 +24,7 @@ struct PrinterBasicInfo {
   std::string printer_name;
   std::string printer_description;
   int printer_status;
+  int is_default;
   std::map<std::string, std::string> options;
 };
 
diff --git a/printing/backend/print_backend_cups.cc b/printing/backend/print_backend_cups.cc
index ee8907e..2e63145 100644
--- a/printing/backend/print_backend_cups.cc
+++ b/printing/backend/print_backend_cups.cc
@@ -126,6 +126,7 @@ bool PrintBackendCUPS::EnumeratePrinters(PrinterList* printer_list) {
 
     PrinterBasicInfo printer_info;
     printer_info.printer_name = printer.name;
+    printer_info.is_default = printer.is_default;
 
     const char* info = cupsGetOption(kCUPSPrinterInfoOpt,
         printer.num_options, printer.options);
diff --git a/printing/backend/print_backend_win.cc b/printing/backend/print_backend_win.cc
index f2df9b1..4a82207 100644
--- a/printing/backend/print_backend_win.cc
+++ b/printing/backend/print_backend_win.cc
@@ -67,11 +67,19 @@ bool PrintBackendWin::EnumeratePrinters(PrinterList* printer_list) {
   if (!ret)
     return false;
 
+  // Getting the name of the default printer.
+  DWORD size = MAX_PATH;
+  TCHAR default_printer_name[MAX_PATH];
+  BOOL default_printer_exists = ::GetDefaultPrinter(
+      default_printer_name, &size);
+
   PRINTER_INFO_2* printer_info =
       reinterpret_cast<PRINTER_INFO_2*>(printer_info_buffer.get());
   for (DWORD index = 0; index < count_returned; index++) {
     PrinterBasicInfo info;
     info.printer_name = WideToUTF8(printer_info[index].pPrinterName);
+    if (default_printer_exists)
+      info.is_default = (info.printer_name == WideToUTF8(default_printer_name));
     if (printer_info[index].pComment)
       info.printer_description = WideToUTF8(printer_info[index].pComment);
     info.printer_status = printer_info[index].Status;