Move Mime type handling to streamsPrivate API, so that it works on Desktop Chrome.

chrome/common/extensions/permissions/api_permission.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/permissions/api_permission.h"
 
 #include "chrome/common/extensions/permissions/bluetooth_device_permission.h"
 #include "chrome/common/extensions/permissions/media_galleries_permission.h"
 #include "chrome/common/extensions/permissions/permissions_info.h"
 #include "chrome/common/extensions/permissions/socket_permission.h"
@@ skipping 264 matching lines @@
       kFlagCannotBeOptional },
     { APIPermission::kWallpaperPrivate, "wallpaperPrivate",
       kFlagCannotBeOptional },
     { APIPermission::kWebRequestInternal, "webRequestInternal" },
     { APIPermission::kWebSocketProxyPrivate, "webSocketProxyPrivate",
       kFlagCannotBeOptional },
     { APIPermission::kWebstorePrivate, "webstorePrivate",
       kFlagCannotBeOptional },
     { APIPermission::kMediaGalleriesPrivate, "mediaGalleriesPrivate",
       kFlagCannotBeOptional },
+    { APIPermission::kStreamsPrivate, "streamsPrivate", kFlagCannotBeOptional },
 
     // Full url access permissions.
     { APIPermission::kDebugger, "debugger",
       kFlagImpliesFullURLAccess | kFlagCannotBeOptional,
       IDS_EXTENSION_PROMPT_WARNING_DEBUGGER,
       PermissionMessage::kDebugger },
     { APIPermission::kDevtools, "devtools",
       kFlagImpliesFullURLAccess | kFlagCannotBeOptional },
     { APIPermission::kPageCapture, "pageCapture",
       kFlagImpliesFullURLAccess },
@@ skipping 71 matching lines @@
         pr.flags,
         pr.constructor);
   }
 
   // Register aliases.
   info->RegisterAlias("unlimitedStorage", kOldUnlimitedStoragePermission);
   info->RegisterAlias("tabs", kWindowsPermission);
 }
 
 }  // namespace extensions