[Extensions] Use compiled feature files

chrome/common/extensions/api/BUILD.gn

-# Copyright 2014 The Chromium Authors. All rights reserved.
+# 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/json_schema_api.gni")
+import("//tools/json_schema_compiler/json_features.gni")
 import("schemas.gni")
 
 assert(enable_extensions)
 
 # GYP version: chrome/common/extensions/api/api.gyp:chrome_api
 json_schema_api("api") {
+  sources = schema_sources
   schemas = true
   bundle = true
   configs = [ "//build/config:precompiled_headers" ]
   bundle_name = "Chrome"
 
   deps = schema_dependencies
 }
 
 # GYP version: chrome/browser/extensions/api/api.gyp:chrome_api_registration
 json_schema_api("api_registration") {
+  sources = schema_sources
   impl_dir = "//chrome/browser/extensions/api"
   bundle_registration = true
   configs = [ "//build/config:precompiled_headers" ]
   bundle_name = "Chrome"
 
   deps = [
     # Different APIs include headers from these targets.
     "//content/public/browser",
     "//extensions/browser",
 
     # Different APIs include some headers from chrome/common that in turn
     # include generated headers from these targets.
     # TODO(brettw) this should be made unnecessary if possible.
     ":api",
     "//components/metrics/proto",
     "//skia",
     "//sync",
     "//ui/accessibility:ax_gen",
   ]
   if (is_chromeos) {
     deps += [ "//components/drive:proto" ]
   }
   deps += schema_dependencies
 }
+
+json_features("api_features") {
+  feature_class = "APIFeature"
+  provider_class = "APIFeatureProvider"
+  sources = [
+    "../../../../extensions/common/api/_api_features.json",
+    "_api_features.json",
+  ]
+}
+
+json_features("permission_features") {
+  feature_class = "PermissionFeature"
+  provider_class = "PermissionFeatureProvider"
+  sources = [
+    "../../../../extensions/common/api/_permission_features.json",
+    "_permission_features.json",
+  ]
+}
+
+json_features("manifest_features") {
+  feature_class = "ManifestFeature"
+  provider_class = "ManifestFeatureProvider"
+  sources = [
+    "../../../../extensions/common/api/_manifest_features.json",
+    "_manifest_features.json",
+  ]
+}
+
+json_features("behavior_features") {
+  feature_class = "BehaviorFeature"
+  provider_class = "BehaviorFeatureProvider"
+  sources = [
+    "../../../../extensions/common/api/_behavior_features.json",
+  ]
+}
+
+group("extensions_features") {
+  public_deps = [
+    ":api_features",
+    ":behavior_features",
+    ":manifest_features",
+    ":permission_features",
+  ]
+}