Remove MTP support on Linux.

chrome/test/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/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/common/features.gni")
@@ skipping 3490 matching lines @@
       "../browser/download/download_commands_unittest.cc",
       "../browser/download/download_shelf_unittest.cc",
       "../browser/first_run/first_run_unittest.cc",
       "../browser/font_family_cache_unittest.cc",
       "../browser/importer/firefox_profile_lock_unittest.cc",
       "../browser/importer/profile_writer_unittest.cc",
       "../browser/media/combined_desktop_media_list_unittest.cc",
       "../browser/media/webrtc/tab_desktop_media_list_unittest.cc",
       "../browser/media_galleries/fileapi/native_media_file_util_unittest.cc",
       "../browser/media_galleries/gallery_watch_manager_unittest.cc",
-      "../browser/media_galleries/linux/mtp_device_object_enumerator_unittest.cc",
       "../browser/media_galleries/mac/mtp_device_delegate_impl_mac_unittest.mm",
       "../browser/media_galleries/media_file_system_registry_unittest.cc",
       "../browser/media_galleries/media_galleries_dialog_controller_mock.cc",
       "../browser/media_galleries/media_galleries_dialog_controller_mock.h",
       "../browser/media_galleries/media_galleries_dialog_controller_test_util.cc",
       "../browser/media_galleries/media_galleries_dialog_controller_test_util.h",
       "../browser/media_galleries/media_galleries_permission_controller_unittest.cc",
       "../browser/media_galleries/media_galleries_permissions_unittest.cc",
       "../browser/media_galleries/media_galleries_preferences_unittest.cc",
       "../browser/media_galleries/win/mtp_device_delegate_impl_win_unittest.cc",
@@ skipping 796 matching lines @@
   if (is_chromeos) {
     deps += [
       "//chrome/browser/chromeos:unit_tests",
       "//chromeos/ime:gencode",
     ]
     sources -= [
       "../browser/policy/cloud/user_policy_signin_service_unittest.cc",
       "../browser/signin/signin_manager_unittest.cc",
     ]
     sources += [
+      "../browser/media_galleries/linux/mtp_device_object_enumerator_unittest.cc",

[tommycli, 2016/09/20 17:37:46]

same. Should this be /chromeos/ dir?

[Lei Zhang, 2016/09/28 07:23:25]

Done.

       "base/ash_test_environment_chrome.cc",
       "base/ash_test_environment_chrome.h",
     ]
   }
   if (use_x11) {
     deps += [ "//ui/events/devices" ]
     data_deps += [ "//tools/xdisplaycheck" ]
   } else {
     sources -= [ "../browser/password_manager/password_store_x_unittest.cc" ]
   }
@@ skipping 668 matching lines @@
       "touch_hud",
       "ui",
     ]
 
     if (is_linux && !is_android) {
       deps += [ "//components/font_service:manifest" ]
       packaged_services += [ "font_service" ]
     }
   }
 }