Linux: Refactor printing to be more like Windows/Mac....

chrome/browser/browser_main_posix.cc

Index: chrome/browser/browser_main_posix.cc
===================================================================
--- chrome/browser/browser_main_posix.cc	(revision 75320)
+++ chrome/browser/browser_main_posix.cc	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -8,6 +8,8 @@
 #include <signal.h>
 #include <sys/resource.h>
 
+#include <string>
+
 #include "base/command_line.h"
 #include "base/eintr_wrapper.h"
 #include "base/logging.h"
@@ -17,6 +19,10 @@
 #include "chrome/browser/browser_thread.h"
 #include "chrome/common/chrome_switches.h"
 
+#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
+#include "chrome/browser/printing/print_dialog_gtk.h"
+#endif
+
 namespace {
 
 // See comment in |PreEarlyInitialization()|, where sigaction is called.
@@ -218,4 +224,10 @@
       LOG(DFATAL) << "Failed to create shutdown detector task.";
     }
   }
+
+#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
+  printing::PrintingContextCairo::SetPrintingFunctions(
+      &PrintDialogGtk::CreatePrintDialog,
+      &PrintDialogGtk::PrintDocument);
+#endif  // defined(OS_LINUX) && !defined(OS_CHROMEOS)
 }