Fix errors found in Mac gn component builds

ui/surface/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")
 
 component("surface") {
   sources = [
     "accelerated_surface_mac.cc",
     "accelerated_surface_mac.h",
     "surface_export.h",
     "transport_dib.cc",
     "transport_dib.h",
     "transport_dib_posix.cc",
     "transport_dib_win.cc",
   ]
 
   configs += [ "//third_party/khronos:khronos_headers" ]
 
   defines = [ "SURFACE_IMPLEMENTATION" ]
 
   deps = [
     "//base",
     "//base/third_party/dynamic_annotations",
     "//skia",
     "//ui/base",
     "//ui/gfx/geometry",
     "//ui/gl",
   ]
+
+  if (is_mac) {
+    # Required by accelerated_surface_mac.cc.
+    libs = [
+      "IOSurface.framework",
+      "OpenGL.framework",
+    ]
+  }
 }