[vr] Add runtime flag to enable tabs view

Bug: 840931
Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel;master.tryserver.chromium.linux:linux_vr
Change-Id: I7e1b336aeed1648fcbe01ae479f486e0b8ba5ac4
Reviewed-on: https://chromium-review.googlesource.com/1053065
Commit-Queue: Tibor Goldschwendt <[email protected]>
Reviewed-by: Michael Thiessen <[email protected]>
Cr-Commit-Position: refs/heads/master@{#557530}
diff --git a/chrome/browser/about_flags.cc b/chrome/browser/about_flags.cc
index 2375e9f..3ca1f318 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -2237,6 +2237,9 @@
     {"vr-browsing-in-custom-tab", flag_descriptions::kVrBrowsingInCustomTabName,
      flag_descriptions::kVrBrowsingInCustomTabDescription, kOsAndroid,
      FEATURE_VALUE_TYPE(chrome::android::kVrBrowsingInCustomTab)},
+    {"vr-browsing-tabs-view", flag_descriptions::kVrBrowsingTabsViewName,
+     flag_descriptions::kVrBrowsingTabsViewDescription, kOsAndroid,
+     FEATURE_VALUE_TYPE(chrome::android::kVrBrowsingTabsView)},
     {"vr-icon-in-daydream-home", flag_descriptions::kVrIconInDaydreamHomeName,
      flag_descriptions::kVrIconInDaydreamHomeDescription, kOsAndroid,
      FEATURE_VALUE_TYPE(chrome::android::kVrIconInDaydreamHome)},