Add support to send print preset options in one message

chrome/common/print_messages.cc

 // 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.
 
 #include "chrome/common/print_messages.h"
 
 #include "base/basictypes.h"
 #include "base/strings/string16.h"
 #include "ui/gfx/size.h"
 
@@ skipping 61 matching lines @@
 PrintHostMsg_RequestPrintPreview_Params::
     PrintHostMsg_RequestPrintPreview_Params()
     : is_modifiable(false),
       webnode_only(false),
       has_selection(false),
       selection_only(false) {
 }
 
 PrintHostMsg_RequestPrintPreview_Params::
     ~PrintHostMsg_RequestPrintPreview_Params() {}
+
+PrintHostMsg_SetOptionsFromDocument_Params::
+    PrintHostMsg_SetOptionsFromDocument_Params()
+    : print_scaling_disabled(false),
+      print_copies(0),
+      print_duplex(0),
+      print_range() {

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

duplex(UNKNOWN_DUPLEX_MODE),
no need print_range()

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

Done.

+}
+
+PrintHostMsg_SetOptionsFromDocument_Params::
+    ~PrintHostMsg_SetOptionsFromDocument_Params() {
+}
+
+void PrintHostMsg_SetOptionsFromDocument_Params::Reset() {
+  print_scaling_disabled = false;
+  print_copies = 0;

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

we don't need reset(), we are not going to reuse structure.

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

Done.

+  print_duplex = 0;
+  print_range = std::vector<int>();
+}