exo: Recreate Surface resources on context lost.

components/exo/BUILD.gn

 # Copyright 2015 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")
 
 source_set("exo") {
   sources = [
     "buffer.cc",
@@ skipping 77 matching lines @@
     "surface_unittest.cc",
     "touch_unittest.cc",
   ]
 
   deps = [
     ":exo",
     ":test_support",
     "//ash",
     "//base",
     "//cc",
+    "//cc/surfaces:surfaces",
     "//components/user_manager",
     "//gpu/command_buffer/client:gles2_interface",
     "//skia",
     "//testing/gmock",
     "//testing/gtest",
     "//ui/aura",
     "//ui/events:dom_keycode_converter",
     "//ui/events:test_support",
     "//ui/gfx",
     "//ui/keyboard",
@@ skipping 14 matching lines @@
   deps = [
     ":unit_tests",
     "//ash:test_support",
     "//base",
     "//base/test:test_support",
   ]
   if (is_linux) {
     deps += [ "//components/exo/wayland:unit_tests" ]
   }
 }