Aura/GTK integration: Create a small stub library that can talk to GTK.

chrome/browser/ui/libgtk2ui/gtk2_util.cc

+// 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.
+
+#include "chrome/browser/ui/libgtk2ui/gtk2_util.h"
+
+#include <gtk/gtk.h>
+
+#include "base/command_line.h"
+#include "base/memory/scoped_ptr.h"
+
+namespace {
+
+void CommonInitFromCommandLine(const CommandLine& command_line,
+                               void (*init_func)(gint*, gchar***)) {
+  const std::vector<std::string>& args = command_line.argv();
+  int argc = args.size();
+  scoped_array<char *> argv(new char *[argc + 1]);
+  for (size_t i = 0; i < args.size(); ++i) {
+    // TODO(piman@google.com): can gtk_init modify argv? Just being safe
+    // here.
+    argv[i] = strdup(args[i].c_str());
+  }
+  argv[argc] = NULL;
+  char **argv_pointer = argv.get();
+
+  init_func(&argc, &argv_pointer);
+  for (size_t i = 0; i < args.size(); ++i) {
+    free(argv[i]);
+  }
+}
+
+}  // namespace
+
+namespace libgtk2ui {
+
+void GtkInitFromCommandLine(const CommandLine& command_line) {
+  CommonInitFromCommandLine(command_line, gtk_init);
+}
+
+}  // namespace libgtk2ui