[Media controls] Add rotate-to-fullscreen gesture behind flag

tools/metrics/histograms/histograms.xml

Index: tools/metrics/histograms/histograms.xml
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index f772b75ad398e28a584631efffa65d83350faf31..74303c8e2a1669ef12f09697e84e40f28f0937ac 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -103859,6 +103859,7 @@ from previous Chrome versions.
   <int value="646252875" label="ReadItLaterInMenu:enabled"/>
   <int value="646738320" label="disable-gesture-editing"/>
   <int value="650602639" label="enable-autofill-keyboard-accessory-view"/>
+  <int value="651421878" label="VideoRotateToFullscreen:enabled"/>
   <int value="652561231" label="CustomContextMenu:enabled"/>
   <int value="683410401"
       label="enable-proximity-auth-bluetooth-low-energy-discovery"/>
@@ -104002,6 +104003,7 @@ from previous Chrome versions.
   <int value="1209221384" label="enable-experimental-accessibility-features"/>
   <int value="1210343926" label="enable-drop-sync-credential"/>
   <int value="1211284676" label="V8NoTurbo:enabled"/>
+  <int value="1214455758" label="VideoRotateToFullscreen:disabled"/>
   <int value="1219628795" label="PrintScaling:disabled"/>
   <int value="1219826373" label="ServiceWorkerNavigationPreload:enabled"/>
   <int value="1220171692" label="SpeculativeLaunchServiceWorker:enabled"/>