chromeos: Enable RenderTextHarfBuzz.

chrome/browser/autofill/form_structure_browsertest.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 <vector>
 
 #include "base/files/file_path.h"
 #include "base/path_service.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 83 matching lines @@
       forms_string += (*field_iter)->Type().ToString();
       forms_string += " | " + base::UTF16ToUTF8((*field_iter)->name);
       forms_string += " | " + base::UTF16ToUTF8((*field_iter)->label);
       forms_string += " | " + base::UTF16ToUTF8((*field_iter)->value);
       forms_string += "\n";
     }
   }
   return forms_string;
 }
 
-// Heuristics tests timeout on Windows.  See http://crbug.com/85276
-#if defined(OS_WIN)
+// Heuristics tests time out on Windows (http://crbug.com/85276) and Chrome OS
+// (http://crbug.com/423791).
+#if defined(OS_WIN) || defined(OS_CHROMEOS)
 #define MAYBE_DataDrivenHeuristics(n) DISABLED_DataDrivenHeuristics##n
 #else
 #define MAYBE_DataDrivenHeuristics(n) DataDrivenHeuristics##n
 #endif
 IN_PROC_BROWSER_TEST_F(FormStructureBrowserTest, DataDrivenHeuristics00) {
   const base::FilePath::CharType kFileNamePattern[] =
       FILE_PATH_LITERAL("00_*.html");
   RunDataDrivenTest(GetInputDirectory(kTestName),
                     GetOutputDirectory(kTestName),
                     kFileNamePattern);
@@ skipping 155 matching lines @@
 IN_PROC_BROWSER_TEST_F(FormStructureBrowserTest,
     MAYBE_DataDrivenHeuristics(20)) {
   const base::FilePath::CharType kFileNamePattern[] =
       FILE_PATH_LITERAL("20_*.html");
   RunDataDrivenTest(GetInputDirectory(kTestName),
                     GetOutputDirectory(kTestName),
                     kFileNamePattern);
 }
 
 }  // namespace autofill