Convert GetSearchProviderInstallState to Mojo

chrome/common/search_provider.mojom

 // Copyright 2016 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.
 
-module url.mojom;
+module chrome.mojom;
 
-import "url/mojo/origin.mojom";
 import "url/mojo/url.mojom";
 
-interface UrlTest {
+[Native]
+enum InstallState;
+
+interface SearchProviderInstallState {
+  // Find out if the given url's security origin is installed as a search
+  // provider. The |page_url| is the requesting page and the |inquiry_url| is
+  // the search provider (e.g. www.google.com), expressed as a security origin
+  // URL.
   [Sync]
-  BounceUrl(Url in) => (Url out);
-
-  [Sync]
-  BounceOrigin(Origin in) => (Origin out);
+  GetInstallState(
+      url.mojom.Url page_url,
+      url.mojom.Url inquiry_url) => (InstallState install);
 };