Remove the flag to disable Quick View, since it has been released.

chrome/browser/about_flags.cc

Index: chrome/browser/about_flags.cc
diff --git a/chrome/browser/about_flags.cc b/chrome/browser/about_flags.cc
index 62bd08b0d916a3c260b741141b9aae427707ea59..5c09a2a43d48d8ef93a4fbb27293a467e66cd928 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -2014,10 +2014,6 @@ const FeatureEntry kFeatureEntries[] = {
      IDS_BACKGROUND_VIDEO_TRACK_OPTIMIZATION_DESCRIPTION, kOsAll,
      FEATURE_VALUE_TYPE(media::kBackgroundVideoTrackOptimization)},
 #if defined(OS_CHROMEOS)
-    {"files-quick-view", IDS_FLAGS_FILES_QUICK_VIEW_NAME,

[fukino, 2016/12/20 07:38:29]

IDS_FLAGS_FILES_QUICK_VIEW_NAME and IDS_FLAGS_FILES_QUICK_VIEW_DESCRIPTION
should be removed, too.

[oka, 2016/12/20 08:02:20]

Done.

-     IDS_FLAGS_FILES_QUICK_VIEW_DESCRIPTION, kOsCrOS,
-     ENABLE_DISABLE_VALUE_TYPE(chromeos::switches::kEnableFilesQuickView,
-                               chromeos::switches::kDisableFilesQuickView)},
     {"quick-unlock-pin", IDS_FLAGS_QUICK_UNLOCK_PIN,
      IDS_FLAGS_QUICK_UNLOCK_PIN_DESCRIPTION, kOsCrOS,
      FEATURE_VALUE_TYPE(features::kQuickUnlockPin)},