Cleanup: Fix some out of date comments.

chrome/browser/printing/print_job_worker_owner.h

Index: chrome/browser/printing/print_job_worker_owner.h
===================================================================
--- chrome/browser/printing/print_job_worker_owner.h	(revision 67834)
+++ chrome/browser/printing/print_job_worker_owner.h	(working copy)
@@ -19,8 +19,8 @@
 class PrintJobWorkerOwner
     : public base::RefCountedThreadSafe<PrintJobWorkerOwner> {
  public:
-  // Finishes the initialization began by PrintJobWorker::Init(). Creates a
-  // new PrintedDocument if necessary. Solely meant to be called by
+  // Finishes the initialization began by PrintJobWorker::GetSettings().
+  // Creates a new PrintedDocument if necessary. Solely meant to be called by
   // PrintJobWorker.
   virtual void GetSettingsDone(const PrintSettings& new_settings,
                                PrintingContext::Result result) = 0;