Print Preview: Hook up the print button to initiate a normal print operation....

chrome/common/render_messages_internal.h

 // Copyright (c) 2011 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 <map>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "build/build_config.h"
@@ skipping 111 matching lines @@
                     RendererPreferences)
 
 // Tells the renderer to perform the given action on the media player
 // located at the given point.
 IPC_MESSAGE_ROUTED2(ViewMsg_MediaPlayerActionAt,
                     gfx::Point, /* location */
                     WebKit::WebMediaPlayerAction)
 
 IPC_MESSAGE_ROUTED0(ViewMsg_PrintNodeUnderContextMenu)
 
+IPC_MESSAGE_ROUTED0(ViewMsg_PrintForPrintPreview)

[jam, 2011/02/10 01:29:13]

nit: comment?

+
 // Tells the render view to close.
 IPC_MESSAGE_ROUTED0(ViewMsg_Close)
 
 // Tells the render view to change its size.  A ViewHostMsg_PaintRect message
 // is generated in response provided new_size is not empty and not equal to
 // the view's current size.  The generated ViewHostMsg_PaintRect message will
 // have the IS_RESIZE_ACK flag set. It also receives the resizer rect so that
 // we don't have to fetch it every time WebKit asks for it.
 IPC_MESSAGE_ROUTED2(ViewMsg_Resize,
                     gfx::Size /* new_size */,
@@ skipping 2379 matching lines @@
 // The currently displayed PDF has an unsupported feature.
 IPC_MESSAGE_ROUTED0(ViewHostMsg_PDFHasUnsupportedFeature)
 
 // JavaScript related messages -----------------------------------------------
 
 // Notify the JavaScript engine in the render to change its parameters
 // while performing stress testing.
 IPC_MESSAGE_ROUTED2(ViewMsg_JavaScriptStressTestControl,
                     int /* cmd */,
                     int /* param */)