Introduce a stable set of errors for inline install

chrome/browser/extensions/api/webstore_private/webstore_private_api.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/browser/extensions/api/webstore_private/webstore_private_api.h"
 
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/memory/scoped_vector.h"
@@ skipping 810 matching lines @@
 void WebstorePrivateLaunchEphemeralAppFunction::OnLaunchComplete(
     webstore_install::Result result, const std::string& error) {
   // Translate between the EphemeralAppLauncher's error codes and the API
   // error codes.
   LaunchEphemeralAppResult::Result api_result =
       LaunchEphemeralAppResult::RESULT_UNKNOWN_ERROR;
   switch (result) {
     case webstore_install::SUCCESS:
       api_result = LaunchEphemeralAppResult::RESULT_SUCCESS;
       break;
-    case webstore_install::UNKNOWN_ERROR:
+    case webstore_install::OTHER_ERROR:
       api_result = LaunchEphemeralAppResult::RESULT_UNKNOWN_ERROR;
       break;
     case webstore_install::INVALID_ID:
       api_result = LaunchEphemeralAppResult::RESULT_INVALID_ID;
       break;
     case webstore_install::NOT_PERMITTED:
     case webstore_install::WEBSTORE_REQUEST_ERROR:
     case webstore_install::INVALID_WEBSTORE_RESPONSE:
     case webstore_install::INVALID_MANIFEST:
     case webstore_install::ICON_ERROR:
@@ skipping 58 matching lines @@
 WebstorePrivateGetEphemeralAppsEnabledFunction::
     ~WebstorePrivateGetEphemeralAppsEnabledFunction() {}
 
 bool WebstorePrivateGetEphemeralAppsEnabledFunction::RunSync() {
   results_ = GetEphemeralAppsEnabled::Results::Create(
       EphemeralAppLauncher::IsFeatureEnabled());
   return true;
 }
 
 }  // namespace extensions