Hook VideoPersister.stopPersist() when onResume is received.

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

Index: chrome/android/java/src/org/chromium/chrome/browser/ChromeTabbedActivity.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ChromeTabbedActivity.java b/chrome/android/java/src/org/chromium/chrome/browser/ChromeTabbedActivity.java
index 738da92bf543933a7a3fa329109f434745141277..6b910001ac1440bc88d7cc33f7431edcdd56bbe6 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/ChromeTabbedActivity.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ChromeTabbedActivity.java
@@ -497,6 +497,8 @@ public class ChromeTabbedActivity extends ChromeActivity implements OverviewMode
             }
             mMergeTabsOnResume = false;
         }
+
+        VideoPersister.getInstance().stopPersist(this);
         mVrShellDelegate.maybeResumeVR();
 
         mLocaleManager.setSnackbarManager(getSnackbarManager());