Make printing work better with OOPIF.

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 294 matching lines @@
   IPC_STRUCT_MEMBER(bool, has_selection)
   IPC_STRUCT_MEMBER(bool, is_scripted)
   IPC_STRUCT_MEMBER(bool, is_modifiable)
   IPC_STRUCT_MEMBER(printing::MarginType, margin_type)
 IPC_STRUCT_END()
 
 
 // Messages sent from the browser to the renderer.
 
 #if defined(ENABLE_PRINT_PREVIEW)
-// Tells the render view to initiate print preview for the entire document.
-IPC_MESSAGE_ROUTED1(PrintMsg_InitiatePrintPreview, bool /* selection_only */)
+// Tells the render frame to initiate print preview for the entire document.

[nasko, 2016/10/27 20:26:26]

nit: s/render frame/RenderFrame/

[Lei Zhang, 2016/10/28 23:27:10]

Done.

+IPC_MESSAGE_ROUTED1(PrintMsg_InitiatePrintPreview, bool /* has_selection */)
 #endif  // defined(ENABLE_PRINT_PREVIEW)
 
 // 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)
 
 #if defined(ENABLE_BASIC_PRINTING) && defined(ENABLE_PRINT_PREVIEW)
 // 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 */)
 #endif  // defined(ENABLE_BASIC_PRINTING) && defined(ENABLE_PRINT_PREVIEW)
 
 #if defined(ENABLE_BASIC_PRINTING)
-// Tells the render view to switch the CSS to print media type, renders every
+// Tells the render frame 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  // defined(ENABLE_BASIC_PRINTING)
 
-// Tells the render view that printing is done so it can clean up.
+// Tells the render frame 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 frame whether printing is enabled or not.
+IPC_MESSAGE_ROUTED1(PrintMsg_SetPrintingEnabled, bool /* enabled */)
 
 #if defined(ENABLE_PRINT_PREVIEW)
-// Tells the render view to switch the CSS to print media type, renders every
+// Tells the render frame 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 */)
 #endif  // defined(ENABLE_PRINT_PREVIEW)
 
 // Messages sent from the renderer to the browser.
 
-// Check if printing is enabled.
-IPC_SYNC_MESSAGE_ROUTED0_1(PrintHostMsg_IsPrintingEnabled,
-                           bool /* is_enabled */)
-
 // Tells the browser that the renderer is done calculating the number of
 // rendered pages according to the specified settings.
 IPC_MESSAGE_ROUTED2(PrintHostMsg_DidGetPrintedPagesCount,
                     int /* rendered document cookie */,
                     int /* number of rendered pages */)
 
 // Sends the document cookie of the current printer query to the browser.
 IPC_MESSAGE_ROUTED1(PrintHostMsg_DidGetDocumentCookie,
                     int /* rendered document cookie */)
 
@@ skipping 103 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  // defined(ENABLE_PRINT_PREVIEW)