Remove AppListMixer field trial.

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 1312 matching lines @@
 #endif
 #if defined(ENABLE_APP_LIST)
     {"enable-experimental-app-list", IDS_FLAGS_EXPERIMENTAL_APP_LIST_NAME,
      IDS_FLAGS_EXPERIMENTAL_APP_LIST_DESCRIPTION, kOsWin | kOsLinux | kOsCrOS,
      ENABLE_DISABLE_VALUE_TYPE(
          app_list::switches::kEnableExperimentalAppList,
          app_list::switches::kDisableExperimentalAppList)},
     {"enable-centered-app-list", IDS_FLAGS_CENTERED_APP_LIST_NAME,
      IDS_FLAGS_CENTERED_APP_LIST_DESCRIPTION, kOsWin | kOsLinux | kOsCrOS,
      SINGLE_VALUE_TYPE(app_list::switches::kEnableCenteredAppList)},
-    {"enable-new-app-list-mixer", IDS_FLAGS_NEW_APP_LIST_MIXER_NAME,
-     IDS_FLAGS_NEW_APP_LIST_MIXER_DESCRIPTION,
-     kOsWin | kOsLinux | kOsCrOS | kOsMac,
-     ENABLE_DISABLE_VALUE_TYPE(app_list::switches::kEnableNewAppListMixer,
-                               app_list::switches::kDisableNewAppListMixer)},
 #endif
     {"disable-threaded-scrolling", IDS_FLAGS_THREADED_SCROLLING_NAME,
      IDS_FLAGS_THREADED_SCROLLING_DESCRIPTION, kOsAll,
      SINGLE_DISABLE_VALUE_TYPE(switches::kDisableThreadedScrolling)},
     {"enable-settings-window", IDS_FLAGS_SETTINGS_WINDOW_NAME,
      IDS_FLAGS_SETTINGS_WINDOW_DESCRIPTION, kOsDesktop,
      ENABLE_DISABLE_VALUE_TYPE(switches::kEnableSettingsWindow,
                                switches::kDisableSettingsWindow)},
     {"inert-visual-viewport", IDS_FLAGS_INERT_VISUAL_VIEWPORT_NAME,
      IDS_FLAGS_INERT_VISUAL_VIEWPORT_DESCRIPTION, kOsAll,
@@ skipping 811 matching lines @@
 const base::HistogramBase::Sample kBadSwitchFormatHistogramId = 0;
 
 const FeatureEntry* GetFeatureEntries(size_t* count) {
   *count = arraysize(kFeatureEntries);
   return kFeatureEntries;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags