Print support for Windows Metro...

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 249 matching lines @@
 
 // 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.
 IPC_MESSAGE_ROUTED0(PrintMsg_PrintNodeUnderContextMenu)
 
+// Tells the render view to initiate printing to a metafile.
+IPC_MESSAGE_ROUTED0(PrintMsg_PrintForFile)
+
 // Tells the renderer to print the print preview tab's PDF plugin without
 // showing the print dialog. (This is the final step in the print preview
 // workflow.)
 IPC_MESSAGE_ROUTED1(PrintMsg_PrintForPrintPreview,
                     DictionaryValue /* settings */)
 
 // Tells the render view to switch the CSS to print media type, renders every
 // requested pages and switch back the CSS to display media type.
 IPC_MESSAGE_ROUTED0(PrintMsg_PrintPages)
 
@@ skipping 135 matching lines @@
                     int /* document cookie */)
 
 // Run a nested message loop in the renderer until print preview for
 // window.print() finishes.
 IPC_SYNC_MESSAGE_ROUTED1_0(PrintHostMsg_ScriptedPrintPreview,
                            bool /* is_modifiable */)
 
 // Notify the browser that the PDF in the initiator renderer has disabled print
 // scaling option.
 IPC_MESSAGE_ROUTED0(PrintHostMsg_PrintPreviewScalingDisabled)