Prepare to enable RenderTextHarfBuzz by default

chrome/browser/about_flags.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/about_flags.h"
 
 #include <iterator>
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 1858 matching lines @@
   },
 #endif
   {
     "extension-active-script-permission",
     IDS_FLAGS_USER_CONSENT_FOR_EXTENSION_SCRIPTS_NAME,
     IDS_FLAGS_USER_CONSENT_FOR_EXTENSION_SCRIPTS_DESCRIPTION,
     kOsAll,
     SINGLE_VALUE_TYPE(extensions::switches::kEnableScriptsRequireAction)
   },
   {
-    "enable-harfbuzz-rendertext",
-    IDS_FLAGS_ENABLE_HARFBUZZ_RENDERTEXT_NAME,
-    IDS_FLAGS_ENABLE_HARFBUZZ_RENDERTEXT_DESCRIPTION,
+    "harfbuzz-rendertext",
+    IDS_FLAGS_HARFBUZZ_RENDERTEXT_NAME,
+    IDS_FLAGS_HARFBUZZ_RENDERTEXT_DESCRIPTION,
     kOsDesktop,
-    SINGLE_VALUE_TYPE(switches::kEnableHarfBuzzRenderText)
+    ENABLE_DISABLE_VALUE_TYPE(switches::kEnableHarfBuzzRenderText,
+                              switches::kDisableHarfBuzzRenderText)
   },
 #if defined(OS_ANDROID)
   {
     "answers-in-suggest",
     IDS_FLAGS_ENABLE_ANSWERS_IN_SUGGEST_NAME,
     IDS_FLAGS_ENABLE_ANSWERS_IN_SUGGEST_DESCRIPTION,
     kOsAndroid,
     MULTI_VALUE_TYPE(kAnswersInSuggestChoices)
   },
 #endif
@@ skipping 566 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags