Make sure the google wallet in-app payment support app is always installed.

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"
 #include "chrome/common/extensions/extension_manifest_constants.h"
 
 #include <vector>
 
 #include "base/command_line.h"
@@ skipping 132 matching lines @@
 const char kCroshBuiltinAppId[] = "nkoccljplnhpfnfiajclkommnmllphnl";
 const char kQuickOfficeComponentExtensionId[] =
     "bpmcpldpdmajfigpchkicefoigmkfalc";
 const char kQuickOfficeDevExtensionId[] = "ionpfmkccalenbmnddpbmocokhaknphg";
 const char kQuickOfficeExtensionId[] = "gbkeegbaiigmenfmjfclcdgdpimamgkj";
 const char kSettingsAppId[] = "ennkphjdgehloodpbhlhldgbnhmacadg";
 const char kStreamsPrivateTestExtensionId[] =
     "oickdpebdnfbgkcaoklfcdhjniefkcji";
 const char kWebStoreAppId[] = "ahfgeienlihckogmohjhadlkjgocpleb";
 const char kYoutubeAppId[] = "blpcfgokakmgnkcojhhkbfbldkacnbeo";
+const char kIAPSupportAppId[] = "nmmhkkegccagdldgiimedpiccmgmieda";
 
 const char kAppLaunchHistogram[] = "Extensions.AppLaunch";
 const char kPlatformAppLaunchHistogram[] = "Apps.AppLaunch";
 #if defined(OS_CHROMEOS)
 const char kChromeVoxExtensionPath[] =
     "/usr/share/chromeos-assets/accessibility/extensions/access_chromevox";
 const char kSpeechSynthesisExtensionPath[] =
     "/usr/share/chromeos-assets/speech_synthesis/patts";
 const char kSpeechSynthesisExtensionId[] =
     "gjjabgpgjpampikjhjpfhneeoapjbjaf";
@@ skipping 32 matching lines @@
 
 const int kScriptBadgeIconSizes[] = {
   EXTENSION_ICON_BITTY,  // 16
   2 * EXTENSION_ICON_BITTY  // 32
 };
 
 const size_t kNumScriptBadgeIconSizes =
     arraysize(kScriptBadgeIconSizes);
 
 }  // namespace extension_misc