Add a feature flag for enabling transparent doodle request.

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 1755 matching lines @@
      IDS_FLAG_DISABLE_TAB_FOR_DESKTOP_SHARE_DESCRIPTION, kOsAll,
      ENABLE_DISABLE_VALUE_TYPE(
          extensions::switches::kEnableTabForDesktopShare,
          extensions::switches::kDisableTabForDesktopShare)},
 #endif
 #if defined(OS_ANDROID)
     {"enable-ntp-snippets", IDS_FLAGS_ENABLE_NTP_SNIPPETS_NAME,
      IDS_FLAGS_ENABLE_NTP_SNIPPETS_DESCRIPTION, kOsAndroid,
      FEATURE_VALUE_TYPE(chrome::android::kNTPSnippetsFeature)},
 #endif  // defined(OS_ANDROID)
+#if defined(OS_ANDROID)
+     {"enable-ntp-transparent-doodle",
+      IDS_FLAGS_ENABLE_NTP_TRANSPARENT_DOODLE_NAME,
+      IDS_FLAGS_ENABLE_NTP_TRANSPARENT_DOODLE_DESCRIPTION,
+      kOsAndroid,
+      FEATURE_VALUE_TYPE(chrome::android::kNTPTransparentDoodle)},
+#endif // defined(OS_ANDROID)
 #if defined(ENABLE_WEBRTC) && BUILDFLAG(RTC_USE_H264)
     {"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)},
 #endif  // defined(ENABLE_WEBRTC) && BUILDFLAG(RTC_USE_H264)
 #if defined(OS_ANDROID)
     {"ime-thread", IDS_FLAGS_IME_THREAD_NAME, IDS_FLAGS_IME_THREAD_DESCRIPTION,
      kOsAndroid, FEATURE_VALUE_TYPE(features::kImeThread)},
 #endif  // defined(OS_ANDROID)
@@ skipping 255 matching lines @@
 const base::HistogramBase::Sample kBadSwitchFormatHistogramId = 0;
 
 const FeatureEntry* GetFeatureEntries(size_t* count) {
   *count = arraysize(kFeatureEntries);
   return kFeatureEntries;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags