Track printer installations for each configuration.

chromeos/printing/printer_configuration.cc

Index: chromeos/printing/printer_configuration.cc
diff --git a/chromeos/printing/printer_configuration.cc b/chromeos/printing/printer_configuration.cc
index 9b6f66328c93af86efccb2da3a47f6a19cb1f1e6..992032f5728e2afeabbb4ec525f601bd6000c20c 100644
--- a/chromeos/printing/printer_configuration.cc
+++ b/chromeos/printing/printer_configuration.cc
@@ -10,11 +10,12 @@
 
 namespace chromeos {
 
-Printer::Printer() : source_(SRC_USER_PREFS) {
+Printer::Printer() : source_(SRC_USER_PREFS), last_updated_() {

[Lei Zhang, 2017/05/08 21:42:48]

No need to initialize |last_updated_| here.

[skau, 2017/05/09 00:52:01]

Done.

   id_ = base::GenerateGUID();
 }
 
-Printer::Printer(const std::string& id) : id_(id), source_(SRC_USER_PREFS) {
+Printer::Printer(const std::string& id, const base::Time& last_updated)
+    : id_(id), source_(SRC_USER_PREFS), last_updated_(last_updated) {
   if (id_.empty())
     id_ = base::GenerateGUID();
 }