Initial implementation of new-style notification

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 1833 matching lines @@
     {"drop-sync-credential", flag_descriptions::kDropSyncCredentialName,
      flag_descriptions::kDropSyncCredentialDescription, kOsAll,
      FEATURE_VALUE_TYPE(password_manager::features::kDropSyncCredential)},
 #if !defined(OS_ANDROID)
     {"enable-message-center-always-scroll-up-upon-notification-removal",
      flag_descriptions::kMessageCenterAlwaysScrollUpUponRemovalName,
      flag_descriptions::kMessageCenterAlwaysScrollUpUponRemovalDescription,
      kOsDesktop,
      SINGLE_VALUE_TYPE(
          switches::kEnableMessageCenterAlwaysScrollUpUponNotificationRemoval)},
+    {"enable-message-center-new-style-notification",
+     flag_descriptions::kMessageCenterNewStyleNotificationName,
+     flag_descriptions::kMessageCenterNewStyleNotificationDescription,
+     kOsDesktop,
+     ENABLE_DISABLE_VALUE_TYPE(
+         switches::kEnableMessageCenterNewStyleNotification,
+         switches::kDisableMessageCenterNewStyleNotification)},
 #endif  // !OS_ANDROID
     {"enable-md-policy-page",
      flag_descriptions::kEnableMaterialDesignPolicyPageName,
      flag_descriptions::kEnableMaterialDesignPolicyPageDescription, kOsDesktop,
      SINGLE_VALUE_TYPE(switches::kEnableMaterialDesignPolicyPage)},
 #if defined(OS_CHROMEOS)
     {"memory-pressure-thresholds",
      flag_descriptions::kMemoryPressureThresholdName,
      flag_descriptions::kMemoryPressureThresholdDescription, kOsCrOS,
      MULTI_VALUE_TYPE(kMemoryPressureThresholdChoices)},
@@ skipping 1394 matching lines @@
 const base::HistogramBase::Sample kBadSwitchFormatHistogramId = 0;
 
 const FeatureEntry* GetFeatureEntries(size_t* count) {
   *count = arraysize(kFeatureEntries);
   return kFeatureEntries;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags