Support socket endpoint permissions for AppsV2 Socket API.

chrome/common/extensions/manifest_tests/extension_manifests_platformapp_unittest.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/common/extensions/manifest_tests/extension_manifest_test.h"
 
 #include "base/command_line.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/scoped_temp_dir.h"
 #include "chrome/common/chrome_switches.h"
@@ skipping 37 matching lines @@
   RunTestcases(
       warning_testcases, arraysize(warning_testcases), EXPECT_TYPE_WARNING);
 }
 
 TEST_F(ExtensionManifestTest, CertainApisRequirePlatformApps) {
   // Put APIs here that should be restricted to platform apps, but that haven't
   // yet graduated from experimental.
   const char* kPlatformAppExperimentalApis[] = {
     "dns",
     "serial",
-    "socket",
   };
   // TODO(miket): When the first platform-app API leaves experimental, write
   // similar code that tests without the experimental flag.
 
   // This manifest is a skeleton used to build more specific manifests for
   // testing. The requirements are that (1) it be a valid platform app, and (2)
   // it contain no permissions dictionary.
   std::string error;
   scoped_ptr<DictionaryValue> manifest(
       LoadManifestFile("init_valid_platform_app.json", &error));
@@ skipping 28 matching lines @@
 
   // Now try again with the experimental flag set.
   CommandLine::ForCurrentProcess()->AppendSwitch(
       switches::kEnableExperimentalExtensionApis);
   for (size_t i = 0; i < arraysize(kPlatformAppExperimentalApis); ++i) {
     const char* api_name = kPlatformAppExperimentalApis[i];
     FilePath file_path = temp_dir.path().AppendASCII(api_name);
     LoadAndExpectSuccess(file_path.MaybeAsASCII().c_str());
   }
 }