[unpacker] Install the new zip unpacker extension by default.

chrome/common/extensions/extension_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 "chrome/common/extensions/extension_constants.h"
 
 namespace extension_urls {
 
 namespace {
 
@@ skipping 69 matching lines @@
 const char kConnectivityDiagnosticsKioskPath[] =
     "/usr/share/chromeos-assets/connectivity_diagnostics_kiosk";
 const char kConnectivityDiagnosticsLauncherPath[] =
     "/usr/share/chromeos-assets/connectivity_diagnostics_launcher";
 const char kSpeechSynthesisExtensionPath[] =
     "/usr/share/chromeos-assets/speech_synthesis/patts";
 const char kSpeechSynthesisExtensionId[] =
     "gjjabgpgjpampikjhjpfhneeoapjbjaf";
 const char kWallpaperManagerId[] = "obklkkbkpaoaejdabbfldmcfplpdgolj";
 const char kFirstRunDialogId[] = "jdgcneonijmofocbhmijhacgchbihela";
+const char kZIPUnpackerExtensionId[] = "oedeeodfidgoollimchfdnbmhcpnklnd";
 #else
 // The extension id for the web store extension.
 const char kChromeVoxExtensionId[] =
     "kgejglhpjiefppelpmljglcjbhoiplfn";
 #endif
 
 const char kAppStateNotInstalled[] = "not_installed";
 const char kAppStateInstalled[] = "installed";
 const char kAppStateDisabled[] = "disabled";
 const char kAppStateRunning[] = "running";
@@ skipping 26 matching lines @@
     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 int kWebstoreSignaturesPublicKeySize =
     arraysize(kWebstoreSignaturesPublicKey);
 
 }  // namespace extension_misc