PrintPreview: While printing the preview data, set the initiator tab title as print job name.

printing/printing_context_mac.mm

Index: printing/printing_context_mac.mm
diff --git a/printing/printing_context_mac.mm b/printing/printing_context_mac.mm
index 65e707f1696f4642f9060c1edaeba63a9c1f9027..fc534e07d397ecf0a3b05af914dfcbbb751e7294 100644
--- a/printing/printing_context_mac.mm
+++ b/printing/printing_context_mac.mm
@@ -53,15 +53,8 @@ void PrintingContextMac::AskUserForSettings(gfx::NativeView parent_view,
   [panel setOptions:options];
 
   // Set the print job title text.
-  if (parent_view) {
-    NSString* job_title = [[parent_view window] title];
-    if (job_title) {
-      PMPrintSettings printSettings =
-          (PMPrintSettings)[printInfo PMPrintSettings];
-      PMPrintSettingsSetJobName(printSettings, (CFStringRef)job_title);
-      [printInfo updateFromPMPrintSettings];
-    }
-  }
+  if (parent_view)
+    UpdatePrintInfoWithJobName(printInfo, [[parent_view window] title]);
 
   // TODO(stuartmorgan): We really want a tab sheet here, not a modal window.
   // Will require restructuring the PrintingContext API to use a callback.
@@ -104,6 +97,13 @@ PrintingContext::Result PrintingContextMac::UpdatePrintSettings(
   if (!SetPrinter(printer_name))
     return OnError();
 
+  string16 job_name;
+  if (!job_settings.GetString(kSettingPrintJobTitle, &job_name))
+    return OnError();
+
+  if (!SetPrintJobName(job_name))
+    return OnError();
+
   InitPrintSettingsFromPrintInfo(ranges);
   return OK;
 }
@@ -135,6 +135,23 @@ bool PrintingContextMac::SetPrinter(const std::string& printer_name) {
   return true;
 }
 
+bool PrintingContextMac::SetPrintJobName(const string16& job_name) {
+    NSString* print_job_name = base::SysUTF16ToNSString(job_name);
+  if (!print_job_name)
+    return false;
+  UpdatePrintInfoWithJobName(print_info_.get(), print_job_name);
+  return true;
+}
+
+void PrintingContextMac::UpdatePrintInfoWithJobName(
+    NSPrintInfo* printInfo, NSString* job_name) {
+  if (job_name) {
+    PMPrintSettings settings = (PMPrintSettings)[printInfo PMPrintSettings];
+    PMPrintSettingsSetJobName(settings, (CFStringRef)job_name);
+    [printInfo updateFromPMPrintSettings];
+  }
+}
+
 void PrintingContextMac::ParsePrintInfo(NSPrintInfo* print_info) {
   ResetSettings();
   print_info_.reset([print_info retain]);