Move more dnd related files to ui/base

chrome/browser/ui/gtk/tabs/tab_gtk.cc

 // 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.
 
 #include "chrome/browser/ui/gtk/tabs/tab_gtk.h"
 
 #include <gdk/gdkkeysyms.h>
 
-#include "app/gtk_dnd_util.h"
 #include "base/singleton.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/ui/gtk/accelerators_gtk.h"
 #include "chrome/browser/ui/gtk/menu_gtk.h"
 #include "chrome/browser/ui/tabs/tab_menu_model.h"
 #include "gfx/path.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
+#include "ui/base/dragdrop/gtk_dnd_util.h"
 #include "ui/base/models/accelerator_gtk.h"
 
 namespace {
 
 // Returns the width of the title for the current font, in pixels.
 int GetTitleWidth(gfx::Font* font, string16 title) {
   DCHECK(font);
   if (title.empty())
     return 0;
 
@@ skipping 329 matching lines @@
 void TabGtk::DestroyDragWidget() {
   if (drag_widget_) {
     gtk_widget_destroy(drag_widget_);
     drag_widget_ = NULL;
   }
 }
 
 void TabGtk::StartDragging(gfx::Point drag_offset) {
   CreateDragWidget();
 
-  GtkTargetList* list = gtk_dnd_util::GetTargetListFromCodeMask(
-      gtk_dnd_util::CHROME_TAB);
+  GtkTargetList* list = ui::GetTargetListFromCodeMask(ui::CHROME_TAB);
   gtk_drag_begin(drag_widget_, list, GDK_ACTION_MOVE,
                  1,  // Drags are always initiated by the left button.
                  last_mouse_down_);
 
   delegate_->MaybeStartDrag(this, drag_offset);
 }
 
 void TabGtk::EndDrag(bool canceled) {
   // Make sure we only run EndDrag once by canceling any tasks that want
   // to call EndDrag.
   drag_end_factory_.RevokeAll();
 
   // We must let gtk clean up after we handle the drag operation, otherwise
   // there will be outstanding references to the drag widget when we try to
   // destroy it.
   MessageLoop::current()->PostTask(FROM_HERE,
       destroy_factory_.NewRunnableMethod(&TabGtk::DestroyDragWidget));
 
   if (last_mouse_down_) {
     gdk_event_free(last_mouse_down_);
     last_mouse_down_ = NULL;
   }
 
   // Notify the drag helper that we're done with any potential drag operations.
   // Clean up the drag helper, which is re-created on the next mouse press.
   delegate_->EndDrag(canceled);
 
   observer_.reset();
 }