Bug 1351074 - Part 3. Include AsyncSpellCheckTestHelper.jsm in reftest. r=masayuki

reftest cannot use testing-common, so we should include AsyncSpellCheckTestHelper.jsm in reftest.jar.

Previous fix has typo of chrome vs resource.  It should be chrome://.

MozReview-Commit-ID: KeyDLjc9AUI

--HG--
extra : rebase_source : 5bf2e6f4105f3437fb3c88410a246e1b85b1bf1d

layout/tools/reftest/jar.mn

@@ -1,6 +1,7 @@
 reftest.jar:
 % content reftest %content/
   content/reftest-content.js (reftest-content.js)
+  content/AsyncSpellCheckTestHelper.jsm (../../../editor/AsyncSpellCheckTestHelper.jsm)
   content/httpd.jsm (../../../netwerk/test/httpserver/httpd.js)
   content/StructuredLog.jsm (../../../testing/modules/StructuredLog.jsm)
 *  content/reftest.jsm (reftest.jsm)

layout/tools/reftest/reftest-content.js

@@ -21,7 +21,7 @@ const NS_GFXINFO_CONTRACTID = "@mozilla.org/gfx/info;1";
 const BLANK_URL_FOR_CLEARING = "data:text/html;charset=UTF-8,%3C%21%2D%2DCLEAR%2D%2D%3E";
 
 CU.import("resource://gre/modules/Timer.jsm");
-CU.import("resource://gre/modules/AsyncSpellCheckTestHelper.jsm");
+CU.import("chrome://reftest/content/AsyncSpellCheckTestHelper.jsm");
 
 var gBrowserIsRemote;
 var gIsWebRenderEnabled;