[Mac] Add system share menu

chrome/browser/ui/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/chromecast_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//chrome/common/features.gni")
@@ skipping 2468 matching lines @@
       "cocoa/native_window_tracker_cocoa.h",
       "cocoa/native_window_tracker_cocoa.mm",
       "cocoa/notifications/message_center_tray_bridge.h",
       "cocoa/notifications/message_center_tray_bridge.mm",
       "cocoa/nsmenuitem_additions.h",
       "cocoa/nsmenuitem_additions.mm",
       "cocoa/profiles/profile_menu_controller.h",
       "cocoa/profiles/profile_menu_controller.mm",
       "cocoa/renderer_context_menu/render_view_context_menu_mac.h",
       "cocoa/renderer_context_menu/render_view_context_menu_mac.mm",
+      "cocoa/share_menu_controller.h",
+      "cocoa/share_menu_controller.mm",
       "cocoa/status_icons/status_icon_mac.h",
       "cocoa/status_icons/status_icon_mac.mm",
       "cocoa/status_icons/status_tray_mac.h",
       "cocoa/status_icons/status_tray_mac.mm",
       "cocoa/tab_contents/chrome_web_contents_view_delegate_mac.h",
       "cocoa/tab_contents/chrome_web_contents_view_delegate_mac.mm",
       "cocoa/tab_contents/sad_tab_mac.mm",
       "cocoa/tab_contents/sad_tab_view_cocoa.h",
       "cocoa/tab_contents/sad_tab_view_cocoa.mm",
       "cocoa/tab_contents/web_drag_bookmark_handler_mac.h",
@@ skipping 1153 matching lines @@
     deps += [
       "//chrome/test:test_support_ui",
       "//components/zoom",
     ]
   }
 
   if (enable_extensions) {
     deps += [ "//extensions/browser" ]
   }
 }