Add support to send print preset options in one message

chrome/common/print_messages.h

Index: chrome/common/print_messages.h
diff --git a/chrome/common/print_messages.h b/chrome/common/print_messages.h
index 709be0eb4f035549025292d9dea9110c47e0db30..287be80b35fcf73886b8c74e24e163763b068ef0 100644
--- a/chrome/common/print_messages.h
+++ b/chrome/common/print_messages.h
@@ -71,6 +71,19 @@ struct PrintHostMsg_RequestPrintPreview_Params {
   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
@@ -166,6 +179,20 @@ IPC_STRUCT_TRAITS_BEGIN(PrintHostMsg_RequestPrintPreview_Params)
   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)
@@ -443,6 +470,6 @@ IPC_SYNC_MESSAGE_ROUTED0_0(PrintHostMsg_SetupScriptedPrintPreview)
 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 */)