Initial support of large mouse cursor on Exosphere

ui/wm/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/ui.gni")
 import("//testing/test.gni")
 
 component("wm") {
   sources = [
     "core/accelerator_delegate.h",
@@ skipping 75 matching lines @@
 
   if (use_x11) {
     configs += [ "//build/config/linux:x11" ]
     deps += [ "//ui/events/devices/x11" ]
   }
 }
 
 static_library("test_support") {
   testonly = true
   sources = [
+    "test/testing_cursor_client_observer.cc",
+    "test/testing_cursor_client_observer.h",
     "test/wm_test_helper.cc",
     "test/wm_test_helper.h",
   ]
 
   deps = [
     ":wm",
     "//skia",
     "//ui/aura",
     "//ui/aura:test_support",
     "//ui/base",
@@ skipping 36 matching lines @@
     "//ui/gfx",
     "//ui/gfx/geometry",
     "//ui/gl:test_support",
     "//ui/resources",
   ]
 
   data_deps = [
     "//ui/resources:ui_test_pak_data",
   ]
 }