Magnifier border is now more visible on light backgrounds.

ash/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/features.gni")
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 import("//ui/base/ui_features.gni")
 
 assert(use_aura)
@@ skipping 400 matching lines @@
       # Talks to ChromeOS system services.
       "wm/lock_state_controller_unittest.cc",
 
       # Maximize mode is only available on Chrome OS.
       "wm/maximize_mode/maximize_mode_controller_unittest.cc",
       "wm/maximize_mode/maximize_mode_window_manager_unittest.cc",
 
       # Can't resize on Windows Ash. http://crbug.com/165962
       "autoclick/autoclick_unittest.cc",
       "magnifier/magnification_controller_unittest.cc",
+      "magnifier/partial_magnification_controller_unittest.cc",
       "sticky_keys/sticky_keys_overlay_unittest.cc",
       "virtual_keyboard_controller_unittest.cc",
       "wm/workspace/workspace_window_resizer_unittest.cc",
     ]
   }
 
   configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
 
   if (!use_x11) {
     sources -= [ "host/ash_window_tree_host_x11_unittest.cc" ]
@@ skipping 57 matching lines @@
     configs += [ "//build/config/win:windowed" ]
     deps += [ "//sandbox" ]
   }
 
   if (is_chromeos) {
     deps += [ "//device/bluetooth" ]
   }
 }
 # When adding support for isolates, please have a look at run-time dependencies
 # in the ash_unittests_run target in ash.gyp.