Move margin processing code to the browser process.

printing/printing_context.h

Index: printing/printing_context.h
diff --git a/printing/printing_context.h b/printing/printing_context.h
index 46e9f57b0ffefe58c058c644bcd3a240df684a94..d89a970cbd03818bbb2f190421a22ad4ea7b31c8 100644
--- a/printing/printing_context.h
+++ b/printing/printing_context.h
@@ -9,6 +9,7 @@
 
 #include "base/basictypes.h"
 #include "base/callback_old.h"
+#include "base/logging.h"
 #include "base/string16.h"
 #include "printing/print_settings.h"
 #include "ui/gfx/native_widget_types.h"
@@ -98,8 +99,9 @@ class PRINTING_EXPORT PrintingContext {
   // caller owns the returned object.
   static PrintingContext* Create(const std::string& app_locale);
 
-  void set_use_overlays(bool use_overlays) {
-    settings_.use_overlays = use_overlays;
+  void set_margin_type(MarginType type) {
+    DCHECK(type != CUSTOM_MARGINS);

[Lei Zhang, 2011/10/08 02:02:05]

Clang probably won't like this. Move into .cc file?

[vandebo (ex-Chrome), 2011/10/15 00:42:50]

Done.

+    settings_.margin_type = type;
   }
 
   const PrintSettings& settings() const {