Add the ability to configure feedback prompt frequency

chrome/browser/android/chrome_feature_list.cc

Index: chrome/browser/android/chrome_feature_list.cc
diff --git a/chrome/browser/android/chrome_feature_list.cc b/chrome/browser/android/chrome_feature_list.cc
index 9e42cde1c70d5db16800419b70f11f1a440b5b22..3bb3a280bde862b1b9008b9ce71ab62ce3914af6 100644
--- a/chrome/browser/android/chrome_feature_list.cc
+++ b/chrome/browser/android/chrome_feature_list.cc
@@ -80,6 +80,7 @@ const base::Feature* kFeaturesExposedToJava[] = {
     &kSpecialLocaleWrapper,
     &kTabReparenting,
     &kVideoPersistence,
+    &kVrBrowsingFeedback,
     &kVrCustomTabBrowsing,
     &kWebPaymentsModifiers,
     &kWebPaymentsSingleAppUiSkip,
@@ -220,6 +221,9 @@ const base::Feature kUserMediaScreenCapturing{
 const base::Feature kVideoPersistence{"VideoPersistence",
                                       base::FEATURE_ENABLED_BY_DEFAULT};
 
+const base::Feature kVrBrowsingFeedback{"VrBrowsingFeedback",
+                                        base::FEATURE_ENABLED_BY_DEFAULT};
+
 const base::Feature kVrCustomTabBrowsing{"VrCustomTabBrowsing",
                                          base::FEATURE_DISABLED_BY_DEFAULT};