Initial gtk3 support

chrome/browser/ui/libgtk2ui/chrome_gtk_frame.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/chrome_gtk_frame.h"
 
+G_GNUC_BEGIN_IGNORE_DEPRECATIONS
+
 G_BEGIN_DECLS
 
 // MetaFrames declaration
 G_DEFINE_TYPE(MetaFrames, meta_frames, GTK_TYPE_WINDOW)
 
 static void meta_frames_class_init(MetaFramesClass* frames_class) {
   // Noop since we don't declare anything.
 }
 
 static void meta_frames_init(MetaFrames* button) {
@@ skipping 127 matching lines @@
 static void chrome_gtk_frame_init(ChromeGtkFrame* frame) {
 }
 
 GtkWidget* chrome_gtk_frame_new(void) {
   return GTK_WIDGET(g_object_new(chrome_gtk_frame_get_type(),
                                  "type", GTK_WINDOW_TOPLEVEL,
                                  NULL));
 }
 
 G_END_DECLS