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

printing/printing_context_linux.h

Index: printing/printing_context_linux.h
diff --git a/printing/printing_context_linux.h b/printing/printing_context_linux.h
index 984d7dc1f9f26eaf2fbf55ccad6d2e4c3ee5b405..307601488db9def05b36f90d6ee36996c11395f1 100644
--- a/printing/printing_context_linux.h
+++ b/printing/printing_context_linux.h
@@ -21,7 +21,7 @@
 // PrintingContext with optional native UI for print dialog and pdf_paper_size.
 class PRINTING_EXPORT PrintingContextLinux : public PrintingContext {
  public:
-  explicit PrintingContextLinux(Delegate* delegate);
+  explicit PrintingContextLinux(const std::string& app_locale);
   virtual ~PrintingContextLinux();
 
   // Sets the function that creates the print dialog.
@@ -38,6 +38,7 @@
 
   // PrintingContext implementation.
   virtual void AskUserForSettings(
+      gfx::NativeView parent_view,
       int max_pages,
       bool has_selection,
       const PrintSettingsCallback& callback) OVERRIDE;