Added PrintingContext::Delegate to get parent view handle and application locale.

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 9bbe5ac1de9e67198c10f64284577d76dbfac223..fa907b579a44491da33bbac49a4ec2997dc44ba7 100644
--- a/printing/printing_context_mac.mm
+++ b/printing/printing_context_mac.mm
@@ -68,12 +68,12 @@ PMPaper MatchPaper(CFArrayRef paper_list,
 }  // namespace
 
 // static
-PrintingContext* PrintingContext::Create(const std::string& app_locale) {
-  return static_cast<PrintingContext*>(new PrintingContextMac(app_locale));
+scoped_ptr<PrintingContext> PrintingContext::Create(Delegate* delegate) {
+  return make_scoped_ptr<PrintingContext>(new PrintingContextMac(delegate));
 }
 
-PrintingContextMac::PrintingContextMac(const std::string& app_locale)
-    : PrintingContext(app_locale),
+PrintingContextMac::PrintingContextMac(Delegate* delegate)
+    : PrintingContext(delegate),
       print_info_([[NSPrintInfo sharedPrintInfo] copy]),
       context_(NULL) {
 }
@@ -83,7 +83,6 @@ PrintingContextMac::~PrintingContextMac() {
 }
 
 void PrintingContextMac::AskUserForSettings(
-    gfx::NativeView parent_view,
     int max_pages,
     bool has_selection,
     const PrintSettingsCallback& callback) {
@@ -115,6 +114,7 @@ void PrintingContextMac::AskUserForSettings(
   [panel setOptions:options];
 
   // Set the print job title text.
+  gfx::NativeView parent_view = delegate_->GetParentView();
   if (parent_view) {
     NSString* job_title = [[parent_view window] title];
     if (job_title) {