Add documentation for the chrome.sockets API and manifest key.

chrome/common/extensions/permissions/chrome_api_permissions.cc

 // Copyright (c) 2013 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/permissions/chrome_api_permissions.h"
 
 #include "chrome/common/extensions/permissions/bluetooth_permission.h"
 #include "chrome/common/extensions/permissions/media_galleries_permission.h"
 #include "chrome/common/extensions/permissions/socket_permission.h"
 #include "chrome/common/extensions/permissions/usb_device_permission.h"
@@ skipping 269 matching lines @@
     { APIPermission::kSerial, "serial", APIPermissionInfo::kFlagNone,
       IDS_EXTENSION_PROMPT_WARNING_SERIAL,
       PermissionMessage::kSerial },
     // Because warning messages for the "socket" permission vary based on the
     // permissions parameters, no message ID or message text is specified here.
     // The message ID and text used will be determined at run-time in the
     // |SocketPermission| class.
     { APIPermission::kSocket, "socket",
       APIPermissionInfo::kFlagCannotBeOptional, 0,
       PermissionMessage::kNone, &CreateAPIPermission<SocketPermission> },
-    { APIPermission::kSocketsUdp, "sockets.udp" },
     { APIPermission::kAppCurrentWindowInternal, "app.currentWindowInternal" },
     { APIPermission::kAppRuntime, "app.runtime" },
     { APIPermission::kAppWindow, "app.window" },
     { APIPermission::kAlwaysOnTopWindows, "alwaysOnTopWindows" },
     { APIPermission::kAudioCapture, "audioCapture",
       APIPermissionInfo::kFlagNone,
       IDS_EXTENSION_PROMPT_WARNING_AUDIO_CAPTURE,
       PermissionMessage::kAudioCapture },
     { APIPermission::kVideoCapture, "videoCapture",
       APIPermissionInfo::kFlagNone,
@@ skipping 94 matching lines @@
   // Register aliases.
   std::vector<PermissionsProvider::AliasInfo> aliases;
   aliases.push_back(PermissionsProvider::AliasInfo(
       "unlimitedStorage", kOldUnlimitedStoragePermission));
   aliases.push_back(PermissionsProvider::AliasInfo(
       "tabs", kWindowsPermission));
   return aliases;
 }
 
 }  // namespace extensions