Record the correct value for print job results.

During refactoring, the wrong value was recorded.  Record the correct value.

BUG=725740

Review-Url: https://codereview.chromium.org/2925113004
Cr-Commit-Position: refs/heads/master@{#478705}

chrome/browser/chromeos/printing/cups_print_job_manager_impl.cc

@@ -73,8 +73,7 @@ JobResultForHistogram ResultForHistogram(State state) {
 }
 
 void RecordJobResult(JobResultForHistogram result) {
-  UMA_HISTOGRAM_ENUMERATION("Printing.CUPS.JobResult", TIMEOUT_CANCEL,
-                            RESULT_MAX);
+  UMA_HISTOGRAM_ENUMERATION("Printing.CUPS.JobResult", result, RESULT_MAX);
 }
 
 // Returns the equivalient CupsPrintJob#State from a CupsJob#JobState.