Add ref count to service workers for extension API.

extensions/common/constants.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 "extensions/common/constants.h"
 
 namespace extensions {
 
 const char kExtensionScheme[] = "chrome-extension";
 const char kExtensionResourceScheme[] = "chrome-extension-resource";
@@ skipping 69 matching lines @@
     0x96, 0xf5, 0x9d, 0xdb, 0x18, 0xfc, 0x76, 0xdc, 0x46, 0xf0, 0x57, 0xc0,
     0x58, 0x34, 0xc8, 0x22, 0x2d, 0x2a, 0x65, 0x75, 0xa7, 0xd9, 0x08, 0x62,
     0xcd, 0x02, 0x03, 0x01, 0x00, 0x01};
 
 const int kWebstoreSignaturesPublicKeySize =
     arraysize(kWebstoreSignaturesPublicKey);
 
 const char kMimeTypeJpeg[] = "image/jpeg";
 const char kMimeTypePng[] = "image/png";
 
+const int64_t kInvalidServiceWorkerVersionId = -1;
+
 }  // namespace extensions
 
 namespace extension_misc {
 
 const char kPdfExtensionId[] = "mhjfbmdgcfjbbpaeojofohoefgiehjai";
 const char kQuickOfficeComponentExtensionId[] =
     "bpmcpldpdmajfigpchkicefoigmkfalc";
 const char kQuickOfficeInternalExtensionId[] =
     "ehibbfinohgbchlgdbfpikodjaojhccn";
 const char kQuickOfficeExtensionId[] = "gbkeegbaiigmenfmjfclcdgdpimamgkj";
 const char kMimeHandlerPrivateTestExtensionId[] =
     "oickdpebdnfbgkcaoklfcdhjniefkcji";
 
 const char kProdHangoutsExtensionId[] = "nckgahadagoaajjgafhacjanaoiihapd";
 const char* const kHangoutsExtensionIds[6] = {
     kProdHangoutsExtensionId,
     "ljclpkphhpbpinifbeabbhlfddcpfdde",  // Debug.
     "ppleadejekpmccmnpjdimmlfljlkdfej",  // Alpha.
     "eggnbpckecmjlblplehfpjjdhhidfdoj",  // Beta.
     "jfjjdfefebklmdbmenmlehlopoocnoeh",  // Packaged App Debug.
     "knipolnnllmklapflnccelgolnpehhpl"   // Packaged App Prod.
     // Keep in sync with _api_features.json and _manifest_features.json.
 };
 
 }  // namespace extension_misc