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

printing/printing_context_no_system_dialog.cc

Index: printing/printing_context_no_system_dialog.cc
diff --git a/printing/printing_context_no_system_dialog.cc b/printing/printing_context_no_system_dialog.cc
index 4768e4d3a3d65ffce2285fb8631bbc593dc0ad98..fd6e1663a33bcf18613931d0b86aa9f5e64f339a 100644
--- a/printing/printing_context_no_system_dialog.cc
+++ b/printing/printing_context_no_system_dialog.cc
@@ -15,13 +15,13 @@
 namespace printing {
 
 // static
-PrintingContext* PrintingContext::Create(const std::string& app_locale) {
-  return static_cast<PrintingContext*>(
-      new PrintingContextNoSystemDialog(app_locale));
+scoped_ptr<PrintingContext> PrintingContext::Create(Delegate* delegate) {
+  return make_scoped_ptr<PrintingContext>(
+      new PrintingContextNoSystemDialog(delegate));
 }
 
-PrintingContextNoSystemDialog::PrintingContextNoSystemDialog(
-    const std::string& app_locale) : PrintingContext(app_locale) {
+PrintingContextNoSystemDialog::PrintingContextNoSystemDialog(Delegate* delegate)
+    : PrintingContext(delegate) {
 }
 
 PrintingContextNoSystemDialog::~PrintingContextNoSystemDialog() {
@@ -29,7 +29,6 @@ PrintingContextNoSystemDialog::~PrintingContextNoSystemDialog() {
 }
 
 void PrintingContextNoSystemDialog::AskUserForSettings(
-    gfx::NativeView parent_view,
     int max_pages,
     bool has_selection,
     const PrintSettingsCallback& callback) {
@@ -54,7 +53,8 @@ gfx::Size PrintingContextNoSystemDialog::GetPdfPaperSizeDeviceUnits() {
   int32_t width = 0;
   int32_t height = 0;
   UErrorCode error = U_ZERO_ERROR;
-  ulocdata_getPaperSize(app_locale_.c_str(), &height, &width, &error);
+  ulocdata_getPaperSize(
+      delegate_->GetAppLocale().c_str(), &height, &width, &error);
   if (error > U_ZERO_ERROR) {
     // If the call failed, assume a paper size of 8.5 x 11 inches.
     LOG(WARNING) << "ulocdata_getPaperSize failed, using 8.5 x 11, error: "