Add pause and resume to Linux download shelf.

chrome/browser/gtk/download_item_gtk.cc

 // Copyright (c) 2009 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/gtk/download_item_gtk.h"
 
 #include "app/l10n_util.h"
 #include "app/gfx/canvas_paint.h"
 #include "app/gfx/font.h"
 #include "app/gfx/text_elider.h"
@@ skipping 150 matching lines @@
   { MENU_NORMAL, CANCEL, IDS_DOWNLOAD_MENU_CANCEL, 0, NULL},
   { MENU_END, 0, 0, 0, NULL },
 };
 
 MenuCreateMaterial DownloadShelfContextMenuGtk::in_progress_download_menu[] = {
   { MENU_CHECKBOX, OPEN_WHEN_COMPLETE, IDS_DOWNLOAD_MENU_OPEN_WHEN_COMPLETE,
     0, NULL },
   { MENU_CHECKBOX, ALWAYS_OPEN_TYPE, IDS_DOWNLOAD_MENU_ALWAYS_OPEN_TYPE,
     0, NULL},
   { MENU_SEPARATOR, 0, 0, 0, NULL },
+  { MENU_CHECKBOX, TOGGLE_PAUSE, IDS_DOWNLOAD_MENU_PAUSE_ITEM, 0, NULL},
   { MENU_NORMAL, SHOW_IN_FOLDER, IDS_DOWNLOAD_LINK_SHOW, 0, NULL},
   { MENU_SEPARATOR, 0, 0, 0, NULL },
   { MENU_NORMAL, REMOVE_ITEM, IDS_DOWNLOAD_MENU_REMOVE_ITEM, 0, NULL},
   { MENU_NORMAL, CANCEL, IDS_DOWNLOAD_MENU_CANCEL, 0, NULL},
   { MENU_END, 0, 0, 0, NULL },
 };
 
 // DownloadItemGtk -------------------------------------------------------------
 
 NineBox* DownloadItemGtk::body_nine_box_normal_ = NULL;
@@ skipping 690 matching lines @@
 
 // static
 void DownloadItemGtk::OnDangerousDecline(GtkWidget* button,
                                          DownloadItemGtk* item) {
   UMA_HISTOGRAM_LONG_TIMES("clickjacking.discard_download",
                            base::Time::Now() - item->creation_time_);
   if (item->get_download()->state() == DownloadItem::IN_PROGRESS)
     item->get_download()->Cancel(true);
   item->get_download()->Remove(true);
 }