Fix nits from earlier CLs

components/printing/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 <stdint.h>
 
 #include <string>
@@ skipping 112 matching lines @@
 
   // Specifies dots per inch.
   IPC_STRUCT_TRAITS_MEMBER(dpi)
 
   // Specifies the scale factor in percent
   IPC_STRUCT_TRAITS_MEMBER(scale_factor)
 
   // Desired apparent dpi on paper.
   IPC_STRUCT_TRAITS_MEMBER(desired_dpi)
 
-  // Whether to rasterize a PDF for printing
-  IPC_STRUCT_TRAITS_MEMBER(rasterize_pdf)
-
   // Cookie for the document to ensure correctness.
   IPC_STRUCT_TRAITS_MEMBER(document_cookie)
 
   // Should only print currently selected text.
   IPC_STRUCT_TRAITS_MEMBER(selection_only)
 
   // Does the printer support alpha blending?
   IPC_STRUCT_TRAITS_MEMBER(supports_alpha_blend)
 
   // *** Parameters below are used only for print preview. ***
@@ skipping 15 matching lines @@
 
   // Specifies if the header and footer should be rendered.
   IPC_STRUCT_TRAITS_MEMBER(display_header_footer)
 
   // Title string to be printed as header if requested by the user.
   IPC_STRUCT_TRAITS_MEMBER(title)
 
   // URL string to be printed as footer if requested by the user.
   IPC_STRUCT_TRAITS_MEMBER(url)
 
+  // Whether to rasterize a PDF for printing
+  IPC_STRUCT_TRAITS_MEMBER(rasterize_pdf)
+
   // True if print backgrounds is requested by the user.
   IPC_STRUCT_TRAITS_MEMBER(should_print_backgrounds)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_BEGIN(PrintMsg_PrintPage_Params)
   // Parameters to render the page as a printed page. It must always be the same
   // value for all the document.
   IPC_STRUCT_MEMBER(PrintMsg_Print_Params, params)
 
   // The page number is the indicator of the square that should be rendered
@@ skipping 306 matching lines @@
 
 // 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 */)
 #endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)