Add beginnings of an inspector backend for Sky

sky/framework/inspector/server/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("//mojo/public/tools/bindings/mojom.gni")
 
-group("debugger") {
+group("server") {
   testonly = true
 
   deps = [
-    "//sky/tools/debugger/prompt",
-    ":sky_debugger",
+    ":sky_inspector_server",
   ]
 }
 
-shared_library("sky_debugger") {
+shared_library("sky_inspector_server") {
   sources = [
-    "debugger.cc",
-    "focus_rules.cc",
-    "focus_rules.h",
+    "inspector_frontend_impl.cc",
+    "inspector_frontend_impl.h",
+    "server.cc",
   ]
 
   deps = [
     "//base",
     "//mojo/application",
-    "//mojo/converters/geometry",
-    "//mojo/converters/input_events",
     "//mojo/public/c/system:for_shared_library",
     "//mojo/public/cpp/bindings",
     "//mojo/public/cpp/utility",
-    "//mojo/services/public/cpp/view_manager",
-    "//mojo/services/public/interfaces/input_events:input_events",
-    "//mojo/services/window_manager:lib",
-    "//sky/viewer:bindings",
-    "//ui/aura:aura",
-    "//ui/wm:wm",
+    "//net:http_server",
     ":bindings",
   ]
 }
 
 mojom("bindings") {
   sources = [
-    "debugger.mojom",
+    "inspector.mojom",
   ]
 }