Add Sky to the build system

sky/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("//tools/grit/grit_rule.gni")
 
 group("sky") {
   testonly = true
 
   deps = [
     "//mojo",
     "//sky/engine/platform:platform_unittests",
     "//sky/engine/web:sky_unittests",
     "//sky/engine/wtf:unittests",
-    "//sky/framework/inspector/server",
     "//sky/tools/debugger",
     "//sky/tools/tester",
     "//sky/viewer",
     "//third_party/mesa:osmesa",
   ]
 }