Move margin processing code to the browser process.

chrome/common/print_messages.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // IPC messages for printing.
 // Multiply-included message file, hence no include guard.
 
 #include <string>
 #include <vector>
 
 #include "base/values.h"
 #include "base/shared_memory.h"
 #include "ipc/ipc_message_macros.h"
 #include "printing/page_size_margins.h"
+#include "printing/print_job_constants.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/rect.h"
 
 #ifndef CHROME_COMMON_PRINT_MESSAGES_H_
 #define CHROME_COMMON_PRINT_MESSAGES_H_
 
 struct PrintMsg_Print_Params {
   PrintMsg_Print_Params();
   ~PrintMsg_Print_Params();
 
@@ skipping 28 matching lines @@
   void Reset();
 
   PrintMsg_Print_Params params;
   std::vector<int> pages;
 };
 
 #endif  // CHROME_COMMON_PRINT_MESSAGES_H_
 
 #define IPC_MESSAGE_START PrintMsgStart
 
+IPC_ENUM_TRAITS(printing::MarginType)
+
 // Parameters for a render request.
 IPC_STRUCT_TRAITS_BEGIN(PrintMsg_Print_Params)
   // Physical size of the page, including non-printable margins,
   // in pixels according to dpi.
   IPC_STRUCT_TRAITS_MEMBER(page_size)
 
   // In pixels according to dpi_x and dpi_y.
   IPC_STRUCT_TRAITS_MEMBER(printable_size)
 
   // The y-offset of the printable area, in pixels according to dpi.
@@ skipping 159 matching lines @@
   IPC_STRUCT_MEMBER(gfx::Rect, content_area)
 IPC_STRUCT_END()
 
 // Parameters for the IPC message ViewHostMsg_ScriptedPrint
 IPC_STRUCT_BEGIN(PrintHostMsg_ScriptedPrint_Params)
   IPC_STRUCT_MEMBER(int, routing_id)
   IPC_STRUCT_MEMBER(gfx::NativeViewId, host_window_id)
   IPC_STRUCT_MEMBER(int, cookie)
   IPC_STRUCT_MEMBER(int, expected_pages_count)
   IPC_STRUCT_MEMBER(bool, has_selection)
-  IPC_STRUCT_MEMBER(bool, use_overlays)
+  IPC_STRUCT_MEMBER(printing::MarginType, margin_type)
 IPC_STRUCT_END()
 
 
 // Messages sent from the browser to the renderer.
 
 // Tells the render view to initiate print preview for the entire document.
 IPC_MESSAGE_ROUTED0(PrintMsg_InitiatePrintPreview)
 
 // Tells the render view to initiate printing or print preview for a particular
 // node, depending on which mode the render view is in.
@@ skipping 125 matching lines @@
 
 // Tell the browser print preview was cancelled.
 IPC_MESSAGE_ROUTED1(PrintHostMsg_PrintPreviewCancelled,
                     int /* document cookie */)
 
 // Tell the browser print preview found the selected printer has invalid
 // settings (which typically caused by disconnected network printer or printer
 // driver is bogus).
 IPC_MESSAGE_ROUTED1(PrintHostMsg_PrintPreviewInvalidPrinterSettings,
                     int /* document cookie */)