[extension SW]: Support event listener registration and event dispatching.

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";
 
@@ skipping 65 matching lines @@
     0x50, 0x70, 0x9d, 0xa2, 0xf9, 0xa4, 0x6f, 0x62, 0x4d, 0xb6, 0xc9, 0x31,
     0xfc, 0xf3, 0x08, 0x12, 0xff, 0x93, 0xbd, 0x62, 0x31, 0xd8, 0x1c, 0xea,
     0x1a, 0x9e, 0xf5, 0x81, 0x28, 0x7f, 0x75, 0x5e, 0xd2, 0x27, 0x7a, 0xc2,
     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 size_t kWebstoreSignaturesPublicKeySize =
     arraysize(kWebstoreSignaturesPublicKey);
 
+const int kNonWorkerThreadId = 0;
+
 const char kMimeTypeJpeg[] = "image/jpeg";
 const char kMimeTypePng[] = "image/png";
 
 const int64_t kInvalidServiceWorkerVersionId = -1;
 
 }  // namespace extensions
 
 namespace extension_misc {
 
 const char kPdfExtensionId[] = "mhjfbmdgcfjbbpaeojofohoefgiehjai";
@@ skipping 14 matching lines @@
     "jfjjdfefebklmdbmenmlehlopoocnoeh",  // Packaged App Debug.
     "knipolnnllmklapflnccelgolnpehhpl"   // Packaged App Prod.
     // Keep in sync with _api_features.json and _manifest_features.json.
 };
 
 // Error returned when scripting of a page is denied due to enterprise policy.
 const char kPolicyBlockedScripting[] =
     "This page cannot be scripted due to an ExtensionsSettings policy.";
 
 }  // namespace extension_misc