Delete the GTK+ port of Chrome.

chrome/browser/ui/gtk/custom_drag.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/gtk/custom_drag.h"
-
-#include "ui/base/dragdrop/gtk_dnd_util.h"
-#include "ui/gfx/image/image.h"
-
-CustomDrag::CustomDrag(gfx::Image* icon, int code_mask, GdkDragAction action)
-    : drag_widget_(gtk_invisible_new()),
-      image_(icon) {
-  g_signal_connect(drag_widget_, "drag-data-get",
-                   G_CALLBACK(OnDragDataGetThunk), this);
-  g_signal_connect(drag_widget_, "drag-begin",
-                   G_CALLBACK(OnDragBeginThunk), this);
-  g_signal_connect(drag_widget_, "drag-end",
-                   G_CALLBACK(OnDragEndThunk), this);
-
-  GtkTargetList* list = ui::GetTargetListFromCodeMask(code_mask);
-  GdkEvent* event = gtk_get_current_event();
-  gtk_drag_begin(drag_widget_, list, action, 1, event);
-  if (event)
-    gdk_event_free(event);
-  gtk_target_list_unref(list);
-}
-
-CustomDrag::~CustomDrag() {
-  gtk_widget_destroy(drag_widget_);
-}
-
-void CustomDrag::OnDragBegin(GtkWidget* widget, GdkDragContext* drag_context) {
-  if (image_)
-    gtk_drag_set_icon_pixbuf(drag_context, image_->ToGdkPixbuf(), 0, 0);
-}
-
-void CustomDrag::OnDragEnd(GtkWidget* widget, GdkDragContext* drag_context) {
-  delete this;
-}