Generate the print messages in components/printing

components/printing/common/print_messages.cc

Index: components/printing/common/print_messages.cc
diff --git a/components/printing/common/print_messages.cc b/components/printing/common/print_messages.cc
index 3a5cddded102749d22f36d730bda39e1a369b0d1..349cb511f11b5fcd484ffa49ef544df7f54bc505 100644
--- a/components/printing/common/print_messages.cc
+++ b/components/printing/common/print_messages.cc
@@ -2,7 +2,36 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+//#include "components/printing/common/print_messages.h"

[Bernhard Bauer, 2015/01/22 09:30:12]

Nit: remove this comment.

[dgn, 2015/01/22 14:27:14]

Done.

+
+#define IPC_MESSAGE_IMPL

[Bernhard Bauer, 2015/01/22 09:30:12]

Nit: I think I would move the generators to the bottom of the file, or at least
after the regular includes, to make it closer to the usual style.

[dgn, 2015/01/22 14:27:14]

Done. 

Both styles seem to be used
(https://code.google.com/p/chromium/codesearch#search/&q=f:cc%20ipc/param_trai...

They 'look' like includes so it seems to me that they belong with the other
#include statements.

+#include "components/printing/common/print_messages.h"
+
+// Generate constructors.
+#include "ipc/struct_constructor_macros.h"
+#include "components/printing/common/print_messages.h"
+
+// Generate destructors.
+#include "ipc/struct_destructor_macros.h"
+#include "components/printing/common/print_messages.h"
+
+// Generate param traits write methods.
+#include "ipc/param_traits_write_macros.h"
+namespace IPC {
+#include "components/printing/common/print_messages.h"
+}  // namespace IPC
+
+// Generate param traits read methods.
+#include "ipc/param_traits_read_macros.h"
+namespace IPC {
+#include "components/printing/common/print_messages.h"
+}  // namespace IPC
+
+// Generate param traits log methods.
+#include "ipc/param_traits_log_macros.h"
+namespace IPC {
 #include "components/printing/common/print_messages.h"
+}  // namespace IPC
 
 #include "base/basictypes.h"
 #include "base/strings/string16.h"