Add feature for condensed NTP tiles.

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 1907 matching lines @@
     {"enable-ntp-suggestions-notifications",
      IDS_FLAGS_ENABLE_NTP_SUGGESTIONS_NOTIFICATIONS_NAME,
      IDS_FLAGS_ENABLE_NTP_SUGGESTIONS_NOTIFICATIONS_DESCRIPTION, kOsAndroid,
      FEATURE_WITH_VARIATIONS_VALUE_TYPE(
          params::ntp_snippets::kNotificationsFeature,
          kContentSuggestionsNotificationsFeatureVariations,
          ntp_snippets::kStudyName)},
     {"ntp-condensed-layout", IDS_FLAGS_NTP_CONDENSED_LAYOUT_NAME,
      IDS_FLAGS_NTP_CONDENSED_LAYOUT_DESCRIPTION, kOsAndroid,
      FEATURE_VALUE_TYPE(chrome::android::kNTPCondensedLayoutFeature)},
+    {"ntp-condensed-tile-layout-for-small-screens",
+     IDS_FLAGS_NTP_CONDENSED_TILE_LAYOUT_FOR_SMALL_SCREENS_NAME,
+     IDS_FLAGS_NTP_CONDENSED_TILE_LAYOUT_FOR_SMALL_SCREENS_DESCRIPTION,
+     kOsAndroid,
+     FEATURE_VALUE_TYPE(
+         chrome::android::kNTPCondensedTileLayoutForSmallScreensFeature)},
+    {"ntp-condensed-tile-layout-for-large-screens",
+     IDS_FLAGS_NTP_CONDENSED_TILE_LAYOUT_FOR_LARGE_SCREENS_NAME,
+     IDS_FLAGS_NTP_CONDENSED_TILE_LAYOUT_FOR_LARGE_SCREENS_DESCRIPTION,
+     kOsAndroid,
+     FEATURE_VALUE_TYPE(
+         chrome::android::kNTPCondensedTileLayoutForLargeScreensFeature)},
     {"ntp-google-g-in-omnibox", IDS_FLAGS_NTP_GOOGLE_G_IN_OMNIBOX_NAME,
      IDS_FLAGS_NTP_GOOGLE_G_IN_OMNIBOX_DESCRIPTION, kOsAndroid,
      FEATURE_VALUE_TYPE(chrome::android::NTPShowGoogleGInOmniboxFeature)},
 #endif  // OS_ANDROID
 #if BUILDFLAG(ENABLE_WEBRTC) && BUILDFLAG(RTC_USE_H264) && \
     !defined(MEDIA_DISABLE_FFMPEG)
     {"enable-webrtc-h264-with-openh264-ffmpeg",
      IDS_FLAGS_WEBRTC_H264_WITH_OPENH264_FFMPEG_NAME,
      IDS_FLAGS_WEBRTC_H264_WITH_OPENH264_FFMPEG_DESCRIPTION, kOsDesktop,
      FEATURE_VALUE_TYPE(content::kWebRtcH264WithOpenH264FFmpeg)},
@@ skipping 548 matching lines @@
 const base::HistogramBase::Sample kBadSwitchFormatHistogramId = 0;
 
 const FeatureEntry* GetFeatureEntries(size_t* count) {
   *count = arraysize(kFeatureEntries);
   return kFeatureEntries;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags