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

printing/printing_context.cc

Index: printing/printing_context.cc
diff --git a/printing/printing_context.cc b/printing/printing_context.cc
index c7f22a5003d30292edc910e508f677cd00c8e122..d2b1e688838f83eb003114360afb409257619b95 100644
--- a/printing/printing_context.cc
+++ b/printing/printing_context.cc
@@ -18,11 +18,12 @@ namespace {
 const float kCloudPrintMarginInch = 0.25;
 }
 
-PrintingContext::PrintingContext(const std::string& app_locale)
-    : dialog_box_dismissed_(false),
+PrintingContext::PrintingContext(Delegate* delegate)
+    : delegate_(delegate),
+      dialog_box_dismissed_(false),
       in_print_job_(false),
-      abort_printing_(false),
-      app_locale_(app_locale) {
+      abort_printing_(false) {
+  CHECK(delegate_);
 }
 
 PrintingContext::~PrintingContext() {