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..8853502d4ba091c51d057bffcd012c238ccaf8a6 100644
--- a/components/printing/common/print_messages.cc
+++ b/components/printing/common/print_messages.cc
@@ -2,12 +2,39 @@
 // 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"
-
 #include "base/basictypes.h"
 #include "base/strings/string16.h"
 #include "ui/gfx/geometry/size.h"
 
+#define IPC_MESSAGE_IMPL
+#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
+
 PrintMsg_Print_Params::PrintMsg_Print_Params()
   : page_size(),
     content_size(),