[Extensions] Remove JSONFeatureProvider, SimpleFeature::Parse

chrome/common/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/buildflag_header.gni")
 import("//chrome/common/features.gni")
 import("//chrome/version.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//tools/grit/grit_rule.gni")
 
@@ skipping 386 matching lines @@
     ]
   }
 
   configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
 
   if (enable_extensions) {
     sources += [
       "extensions/extension_test_util.cc",
       "extensions/extension_test_util.h",
     ]
+    deps += [ "//chrome/common/extensions:test_features" ]
   }
 }
 
 # GYP version: chrome/chrome.gyp:app_mode_app_support
 source_set("app_mode_app_support") {
   sources = [
     "mac/app_mode_chrome_locator.h",
     "mac/app_mode_chrome_locator.mm",
     "mac/app_mode_common.h",
     "mac/app_mode_common.mm",
@@ skipping 13 matching lines @@
     "resource_usage_reporter.mojom",
     "shell_handler_win.mojom",
   ]
 
   public_deps = [
     "//skia/public/interfaces",
   ]
 
   use_new_wrapper_types = false
 }