gtk: Split CustomDrag into multiple pieces.

chrome/browser/ui/gtk/download/download_item_gtk.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/download/download_item_gtk.h"
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/debug/trace_event.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/download/chrome_download_manager_delegate.h"
 #include "chrome/browser/download/download_item_model.h"
 #include "chrome/browser/themes/theme_properties.h"
 #include "chrome/browser/ui/browser.h"
-#include "chrome/browser/ui/gtk/custom_drag.h"
+#include "chrome/browser/ui/gtk/download/download_item_drag.h"
 #include "chrome/browser/ui/gtk/download/download_shelf_context_menu_gtk.h"
 #include "chrome/browser/ui/gtk/download/download_shelf_gtk.h"
 #include "chrome/browser/ui/gtk/gtk_theme_service.h"
 #include "chrome/browser/ui/gtk/gtk_util.h"
 #include "chrome/browser/ui/gtk/nine_box.h"
 #include "content/public/browser/download_manager.h"
 #include "content/public/browser/notification_source.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #include "third_party/skia/include/core/SkBitmap.h"
@@ skipping 893 matching lines @@
   UMA_HISTOGRAM_LONG_TIMES("clickjacking.save_download",
                            base::Time::Now() - creation_time_);
   download()->ValidateDangerousDownload();
 }
 
 void DownloadItemGtk::OnDangerousDecline(GtkWidget* button) {
   UMA_HISTOGRAM_LONG_TIMES("clickjacking.discard_download",
                            base::Time::Now() - creation_time_);
   download()->Remove();
 }