Add RetainedRef uses where needed.

chrome/browser/printing/print_job.cc

Index: chrome/browser/printing/print_job.cc
diff --git a/chrome/browser/printing/print_job.cc b/chrome/browser/printing/print_job.cc
index 55a3b8e934c593391642ff8eaa5dc77fc7d58ea6..6acbc2366dbe12b03428f225130fda9313a3fdd9 100644
--- a/chrome/browser/printing/print_job.cc
+++ b/chrome/browser/printing/print_job.cc
@@ -131,11 +131,10 @@ void PrintJob::StartPrinting() {
 
   // Real work is done in PrintJobWorker::StartPrinting().
   worker_->PostTask(FROM_HERE,
-                    base::Bind(&HoldRefCallback,
-                               make_scoped_refptr(this),
+                    base::Bind(&HoldRefCallback, make_scoped_refptr(this),
                                base::Bind(&PrintJobWorker::StartPrinting,
                                           base::Unretained(worker_.get()),
-                                          document_)));
+                                          base::RetainedRef(document_))));
   // Set the flag right now.
   is_job_pending_ = true;
 
@@ -332,11 +331,10 @@ void PrintJob::UpdatePrintedDocument(PrintedDocument* new_document) {
     DCHECK(!is_job_pending_);
     // Sync the document with the worker.
     worker_->PostTask(FROM_HERE,
-                      base::Bind(&HoldRefCallback,
-                                 make_scoped_refptr(this),
+                      base::Bind(&HoldRefCallback, make_scoped_refptr(this),
                                  base::Bind(&PrintJobWorker::OnDocumentChanged,
                                             base::Unretained(worker_.get()),
-                                            document_)));
+                                            base::RetainedRef(document_))));
   }
 }