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

chrome/browser/printing/print_job_worker.h

Index: chrome/browser/printing/print_job_worker.h
diff --git a/chrome/browser/printing/print_job_worker.h b/chrome/browser/printing/print_job_worker.h
index 2f6d2371c99181bf7531be021235c7bd2cbf60b1..cc10ee5b01edf9cfc906ec5f749e21346a94409c 100644
--- a/chrome/browser/printing/print_job_worker.h
+++ b/chrome/browser/printing/print_job_worker.h
@@ -24,7 +24,6 @@ class PrintJob;
 class PrintJobWorkerOwner;
 class PrintedDocument;
 class PrintedPage;
-class PrintingUIWebContentsObserver;
 
 // Worker thread code. It manages the PrintingContext, which can be blocking
 // and/or run a message loop. This is the object that generates most
@@ -33,7 +32,9 @@ class PrintingUIWebContentsObserver;
 // PrintJob always outlives its worker instance.
 class PrintJobWorker {
  public:
-  explicit PrintJobWorker(PrintJobWorkerOwner* owner);
+  PrintJobWorker(int render_process_id,
+                 int render_view_id,
+                 PrintJobWorkerOwner* owner);
   virtual ~PrintJobWorker();
 
   void SetNewOwner(PrintJobWorkerOwner* new_owner);
@@ -46,14 +47,12 @@ class PrintJobWorker {
   // Print... dialog box will be shown to ask the user his preference.
   void GetSettings(
       bool ask_user_for_settings,
-      scoped_ptr<PrintingUIWebContentsObserver> web_contents_observer,
       int document_page_count,
       bool has_selection,
       MarginType margin_type);
 
   // Set the new print settings.
-  void SetSettings(
-      scoped_ptr<base::DictionaryValue> new_settings);
+  void SetSettings(scoped_ptr<base::DictionaryValue> new_settings);
 
   // Starts the printing loop. Every pages are printed as soon as the data is
   // available. Makes sure the new_document is the right one.
@@ -112,7 +111,6 @@ class PrintJobWorker {
   // Required on Mac and Linux. Windows can display UI from non-main threads,
   // but sticks with this for consistency.
   void GetSettingsWithUI(
-      scoped_ptr<PrintingUIWebContentsObserver> web_contents_observer,
       int document_page_count,
       bool has_selection);
 
@@ -132,6 +130,9 @@ class PrintJobWorker {
   // systems.
   void UseDefaultSettings();
 
+  // Printing context delegate.
+  scoped_ptr<PrintingContext::Delegate> printing_context_delegate_;
+
   // Information about the printer setting.
   scoped_ptr<PrintingContext> printing_context_;