Revert of More System Dialog printing code disabled on Windows.

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 300 matching lines @@
 // Tells the render frame to initiate printing or print preview for a particular
 // node, depending on which mode the render frame is in.
 IPC_MESSAGE_ROUTED0(PrintMsg_PrintNodeUnderContextMenu)
 
 // 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,
                     base::DictionaryValue /* settings */)
 
-#if !defined(OS_WIN)
 // 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)
 
-// Like PrintMsg_PrintPages, but using the print preview document's frame/node.
-IPC_MESSAGE_ROUTED0(PrintMsg_PrintForSystemDialog)
-#endif  // !OS_WIN
-
 // Tells the render view that printing is done so it can clean up.
 IPC_MESSAGE_ROUTED1(PrintMsg_PrintingDone,
                     bool /* success */)
 
 // Tells the render view whether scripted printing is blocked or not.
 IPC_MESSAGE_ROUTED1(PrintMsg_SetScriptedPrintingBlocked,
                     bool /* blocked */)
 
 // Tells the render view to switch the CSS to print media type, renders every
 // requested pages for print preview using the given |settings|. This gets
 // called multiple times as the user updates settings.
 IPC_MESSAGE_ROUTED1(PrintMsg_PrintPreview,
                     base::DictionaryValue /* settings */)
 
+// Like PrintMsg_PrintPages, but using the print preview document's frame/node.
+IPC_MESSAGE_ROUTED0(PrintMsg_PrintForSystemDialog)
+
 // Messages sent from the renderer to the browser.
 
 #if defined(OS_WIN)
 // Duplicates a shared memory handle from the renderer to the browser. Then
 // the renderer can flush the handle.
 IPC_SYNC_MESSAGE_ROUTED1_1(PrintHostMsg_DuplicateSection,
                            base::SharedMemoryHandle /* renderer handle */,
                            base::SharedMemoryHandle /* browser handle */)
 #endif
 
@@ skipping 113 matching lines @@
 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 to set print presets based on source PDF document.
 IPC_MESSAGE_ROUTED1(PrintHostMsg_SetOptionsFromDocument,
                     PrintHostMsg_SetOptionsFromDocument_Params /* params */)