[TTS] Add a Feature and about:flag for Single Actions.

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 726 matching lines @@
     {"contextual-search", IDS_FLAGS_CONTEXTUAL_SEARCH,
      IDS_FLAGS_CONTEXTUAL_SEARCH_DESCRIPTION, kOsAndroid,
      ENABLE_DISABLE_VALUE_TYPE(switches::kEnableContextualSearch,
                                switches::kDisableContextualSearch)},
     {"cs-contextual-cards-bar-integration",
      IDS_FLAGS_CONTEXTUAL_SEARCH_CONTEXTUAL_CARDS_BAR_INTEGRATION,
      IDS_FLAGS_CONTEXTUAL_SEARCH_CONTEXTUAL_CARDS_BAR_INTEGRATION_DESCRIPTION,
      kOsAndroid,
      SINGLE_VALUE_TYPE(
          switches::kEnableContextualSearchContextualCardsBarIntegration)},
+    {"cs-contextual-cards-single-actions",
+     IDS_FLAGS_CONTEXTUAL_SEARCH_SINGLE_ACTIONS,
+     IDS_FLAGS_CONTEXTUAL_SEARCH_SINGLE_ACTIONS_DESCRIPTION, kOsAndroid,
+     FEATURE_VALUE_TYPE(chrome::android::kContextualSearchSingleActions)},
 #endif  // OS_ANDROID
     {"show-autofill-type-predictions",
      IDS_FLAGS_SHOW_AUTOFILL_TYPE_PREDICTIONS_NAME,
      IDS_FLAGS_SHOW_AUTOFILL_TYPE_PREDICTIONS_DESCRIPTION, kOsAll,
      SINGLE_VALUE_TYPE(autofill::switches::kShowAutofillTypePredictions)},
     {"enable-credit-card-signin-promo",
      IDS_FLAGS_ENABLE_AUTOFILL_CREDIT_CARD_SIGNIN_PROMO_NAME,
      IDS_FLAGS_ENABLE_AUTOFILL_CREDIT_CARD_SIGNIN_PROMO_DESCRIPTION, kOsAll,
      FEATURE_VALUE_TYPE(autofill::kAutofillCreditCardSigninPromo)},
     {"smooth-scrolling", IDS_FLAGS_SMOOTH_SCROLLING_NAME,
@@ skipping 1509 matching lines @@
 const base::HistogramBase::Sample kBadSwitchFormatHistogramId = 0;
 
 const FeatureEntry* GetFeatureEntries(size_t* count) {
   *count = arraysize(kFeatureEntries);
   return kFeatureEntries;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags