Add support for printing selection only flag. This only adds the flag to the ...

chrome/browser/printing/print_job_worker.cc

Index: chrome/browser/printing/print_job_worker.cc
===================================================================
--- chrome/browser/printing/print_job_worker.cc	(revision 17852)
+++ chrome/browser/printing/print_job_worker.cc	(working copy)
@@ -66,7 +66,8 @@
 
 void PrintJobWorker::GetSettings(bool ask_user_for_settings,
                                  HWND parent_window,
-                                 int document_page_count) {
+                                 int document_page_count,
+                                 bool has_selection) {
   DCHECK_EQ(message_loop(), MessageLoop::current());
   DCHECK_EQ(page_number_, PageNumber::npos());
 
@@ -77,7 +78,8 @@
   PrintingContext::Result result;
   if (ask_user_for_settings) {
     result = printing_context_.AskUserForSettings(parent_window,
-                                                  document_page_count);
+                                                  document_page_count,
+                                                  has_selection);
   } else {
     result = printing_context_.UseDefaultSettings();
   }