Improvements in --debug-print switch implementation.

printing/page_size_margins.h

Index: printing/page_size_margins.h
diff --git a/printing/page_size_margins.h b/printing/page_size_margins.h
index b6913724a90bb233583b49750a5a34074ca84790..478730850a32cdd5e469962a0b9660d77c596556 100644
--- a/printing/page_size_margins.h
+++ b/printing/page_size_margins.h
@@ -7,10 +7,6 @@
 
 #include "printing/printing_export.h"
 
-namespace base {
-class DictionaryValue;
-}
-
 namespace printing {
 
 // Struct that holds margin and content area sizes of a page. Units are
@@ -24,9 +20,6 @@ struct PageSizeMargins {
   double margin_left;
 };
 
-PRINTING_EXPORT void GetCustomMarginsFromJobSettings(
-    const base::DictionaryValue& settings, PageSizeMargins* page_size_margins);
-
 }  // namespace printing
 
 #endif  // PRINTING_PAGE_SIZE_MARGINS_H_