Convert GetSearchProviderInstallState to Mojo

chrome/common/search_provider.h

 // 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.
 
 #ifndef CHROME_COMMON_SEARCH_PROVIDER_H_
 #define CHROME_COMMON_SEARCH_PROVIDER_H_
 
 namespace search_provider {
 
 // The type of OSDD that the renderer is giving to the browser.
 enum OSDDType {
   // The Open Search Description URL was detected automatically.
   AUTODETECTED_PROVIDER,
 
   // The Open Search Description URL was given by Javascript.
   EXPLICIT_PROVIDER,
   OSDD_TYPE_LAST = EXPLICIT_PROVIDER
 };
 
-// The install state of the search provider (not installed, installed, default).
-enum InstallState {
-  // Equates to an access denied error.
-  DENIED = -1,
-
-  // DON'T CHANGE THE VALUES BELOW.
-  // All of the following values are manidated by the
-  // spec for window.external.IsSearchProviderInstalled.
-
-  // The search provider is not installed.
-  NOT_INSTALLED = 0,
-
-  // The search provider is in the user's set but is not
-  INSTALLED_BUT_NOT_DEFAULT = 1,
-
-  // The search provider is set as the user's default.
-  INSTALLED_AS_DEFAULT = 2,
-
-  INSTALLED_STATE_LAST = INSTALLED_AS_DEFAULT
-};
-
 }  // namespace search_provider
 
 #endif  // CHROME_COMMON_SEARCH_PROVIDER_H_