Sync: Turn on full history sync 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 <string.h>
 
 #include <algorithm>
 #include <iterator>
@@ skipping 1227 matching lines @@
     ENABLE_DISABLE_VALUE_TYPE(
         message_center::switches::kEnableRichNotifications,
         message_center::switches::kDisableRichNotifications)
   },
 #endif
   {
     "full-history-sync",
     IDS_FLAGS_FULL_HISTORY_SYNC_NAME,
     IDS_FLAGS_FULL_HISTORY_SYNC_DESCRIPTION,
     kOsAll,
-    SINGLE_VALUE_TYPE(switches::kHistoryEnableFullHistorySync)
+    ENABLE_DISABLE_VALUE_TYPE(switches::kHistoryEnableFullHistorySync,
+                              switches::kHistoryDisableFullHistorySync)
   },
   {
     "enable-usermedia-screen-capture",
     IDS_FLAGS_ENABLE_SCREEN_CAPTURE_NAME,
     IDS_FLAGS_ENABLE_SCREEN_CAPTURE_DESCRIPTION,
     kOsDesktop,
     SINGLE_VALUE_TYPE(switches::kEnableUserMediaScreenCapturing)
   },
   {
     "enable-apps-devtool-app",
@@ skipping 576 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags