[Extensions] Convert APIs to use movable types [12]

extensions/browser/api/printer_provider/printer_provider_api.cc

Index: extensions/browser/api/printer_provider/printer_provider_api.cc
diff --git a/extensions/browser/api/printer_provider/printer_provider_api.cc b/extensions/browser/api/printer_provider/printer_provider_api.cc
index da54b832e6607879a328437767b03da228511ac1..ed776e5b4dff2d7ba2d6aa4b4e4eba84fadbfd29 100644
--- a/extensions/browser/api/printer_provider/printer_provider_api.cc
+++ b/extensions/browser/api/printer_provider/printer_provider_api.cc
@@ -667,8 +667,8 @@ void PrinterProviderAPIImpl::OnGetPrintersResult(
 
   // Update some printer description properties to better identify the extension
   // managing the printer.
-  for (size_t i = 0; i < result.size(); ++i) {
-    scoped_ptr<base::DictionaryValue> printer(result[i]->ToValue());
+  for (const api::printer_provider::PrinterInfo& p : result) {
+    scoped_ptr<base::DictionaryValue> printer(p.ToValue());
     UpdatePrinterWithExtensionInfo(printer.get(), extension);
     printer_list.Append(std::move(printer));
   }