Add support to send print preset options in one message

chrome/common/print_messages.h

 // Copyright (c) 2012 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>
 
@@ skipping 53 matching lines @@
 
 struct PrintHostMsg_RequestPrintPreview_Params {
   PrintHostMsg_RequestPrintPreview_Params();
   ~PrintHostMsg_RequestPrintPreview_Params();
   bool is_modifiable;
   bool webnode_only;
   bool has_selection;
   bool selection_only;
 };
 
+struct PrintHostMsg_SetOptionsFromDocument_Params {
+  PrintHostMsg_SetOptionsFromDocument_Params();
+  ~PrintHostMsg_SetOptionsFromDocument_Params();
+
+  // Resets the members of the struct to 0.
+  void Reset();
+
+  bool print_scaling_disabled;
+  int print_copies;

[Vitaly Buka (NO REVIEWS), 2014/07/11 19:28:37]

bool is_scaling_disabled;
int copies;
printing::DuplexMode duplex;
printing::PageRanges page_ranges;

[Nikhil, 2014/07/14 08:58:08]

Done.

+  int print_duplex;
+  std::vector<int> print_range;
+};
+
 #endif  // CHROME_COMMON_PRINT_MESSAGES_H_
 
 #define IPC_MESSAGE_START PrintMsgStart
 
 IPC_ENUM_TRAITS_MAX_VALUE(printing::MarginType,
                           printing::MARGIN_TYPE_LAST)
 IPC_ENUM_TRAITS_MAX_VALUE(blink::WebPrintScalingOption,
                           blink::WebPrintScalingOptionLast)
 
 // Parameters for a render request.
@@ skipping 75 matching lines @@
   IPC_STRUCT_MEMBER(int, page_number)
 IPC_STRUCT_END()
 
 IPC_STRUCT_TRAITS_BEGIN(PrintHostMsg_RequestPrintPreview_Params)
   IPC_STRUCT_TRAITS_MEMBER(is_modifiable)
   IPC_STRUCT_TRAITS_MEMBER(webnode_only)
   IPC_STRUCT_TRAITS_MEMBER(has_selection)
   IPC_STRUCT_TRAITS_MEMBER(selection_only)
 IPC_STRUCT_TRAITS_END()
 
+IPC_STRUCT_TRAITS_BEGIN(PrintHostMsg_SetOptionsFromDocument_Params)
+  // Specifies whether print scaling is enabled or not.
+  IPC_STRUCT_TRAITS_MEMBER(print_scaling_disabled)
+
+  // Specifies number of copies to be printed.
+  IPC_STRUCT_TRAITS_MEMBER(print_copies)
+
+  // Specifies paper handling option.
+  IPC_STRUCT_TRAITS_MEMBER(print_duplex)
+
+  // Specifies page range to be printed.
+  IPC_STRUCT_TRAITS_MEMBER(print_range)
+IPC_STRUCT_TRAITS_END()
+
 IPC_STRUCT_TRAITS_BEGIN(printing::PageSizeMargins)
   IPC_STRUCT_TRAITS_MEMBER(content_width)
   IPC_STRUCT_TRAITS_MEMBER(content_height)
   IPC_STRUCT_TRAITS_MEMBER(margin_left)
   IPC_STRUCT_TRAITS_MEMBER(margin_right)
   IPC_STRUCT_TRAITS_MEMBER(margin_top)
   IPC_STRUCT_TRAITS_MEMBER(margin_bottom)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(PrintMsg_PrintPages_Params)
@@ skipping 257 matching lines @@
 
 // Run a nested message loop in the renderer until print preview for
 // window.print() finishes.
 IPC_SYNC_MESSAGE_ROUTED0_0(PrintHostMsg_SetupScriptedPrintPreview)
 
 // Tell the browser to show the print preview, when the document is sufficiently
 // loaded such that the renderer can determine whether it is modifiable or not.
 IPC_MESSAGE_ROUTED1(PrintHostMsg_ShowScriptedPrintPreview,
                     bool /* is_modifiable */)
 
-// Notify the browser that the PDF in the initiator renderer has disabled print
-// scaling option.
-IPC_MESSAGE_ROUTED0(PrintHostMsg_PrintPreviewScalingDisabled)
+// Notify the browser to set print presets based on source PDF document.
+IPC_MESSAGE_ROUTED1(PrintHostMsg_SetOptionsFromDocument,
+                    PrintHostMsg_SetOptionsFromDocument_Params /* params */)