📺 Move VideoPersistence to ChromeActivity.

chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java

Index: chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java b/chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java
index cb0b5ba67deadaa269ef4b4f988c9b4e33037003..e1dc768181543976cbd34ac4cdb7aab6bec8785e 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ChromeActivity.java
@@ -85,6 +85,7 @@ import org.chromium.chrome.browser.help.HelpAndFeedback;
 import org.chromium.chrome.browser.history.HistoryManagerUtils;
 import org.chromium.chrome.browser.infobar.InfoBarContainer;
 import org.chromium.chrome.browser.init.AsyncInitializationActivity;
+import org.chromium.chrome.browser.media.VideoPersister;
 import org.chromium.chrome.browser.metrics.LaunchMetrics;
 import org.chromium.chrome.browser.metrics.StartupMetrics;
 import org.chromium.chrome.browser.metrics.UmaSessionStats;
@@ -812,6 +813,14 @@ public abstract class ChromeActivity extends AsyncInitializationActivity
         FeatureUtilities.setCustomTabVisible(isCustomTab());
         FeatureUtilities.setIsInMultiWindowMode(
                 MultiWindowUtils.getInstance().isInMultiWindowMode(this));
+
+        VideoPersister.getInstance().stopPersist(this);
+    }
+
+    @Override
+    protected void onUserLeaveHint() {
+        super.onUserLeaveHint();
+        VideoPersister.getInstance().attemptPersist(this);
     }
 
     @Override