📺 Move fullscreen web content to a new Activity.

chrome/android/java/src/org/chromium/chrome/browser/tab/TabWebContentsDelegateAndroid.java

Index: chrome/android/java/src/org/chromium/chrome/browser/tab/TabWebContentsDelegateAndroid.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/tab/TabWebContentsDelegateAndroid.java b/chrome/android/java/src/org/chromium/chrome/browser/tab/TabWebContentsDelegateAndroid.java
index 713931b2b5b2a90ef63c4f15680cf48159f6ee9e..05e01ba91c29b864f9eb9e68a2317fe1784f9926 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/tab/TabWebContentsDelegateAndroid.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/tab/TabWebContentsDelegateAndroid.java
@@ -24,14 +24,16 @@ import org.chromium.base.annotations.CalledByNative;
 import org.chromium.blink_public.platform.WebDisplayMode;
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.AppHooks;
+import org.chromium.chrome.browser.ChromeTabbedActivity;
 import org.chromium.chrome.browser.RepostFormWarningDialog;
 import org.chromium.chrome.browser.document.DocumentUtils;
 import org.chromium.chrome.browser.document.DocumentWebContentsDelegate;
 import org.chromium.chrome.browser.findinpage.FindMatchRectsDetails;
 import org.chromium.chrome.browser.findinpage.FindNotificationDetails;
 import org.chromium.chrome.browser.fullscreen.FullscreenManager;
+import org.chromium.chrome.browser.media.FullscreenMediaActivity;
 import org.chromium.chrome.browser.media.MediaCaptureNotificationService;
-import org.chromium.chrome.browser.media.VideoPersister;
+import org.chromium.chrome.browser.multiwindow.MultiWindowUtils;
 import org.chromium.chrome.browser.policy.PolicyAuditor;
 import org.chromium.chrome.browser.policy.PolicyAuditor.AuditEvent;
 import org.chromium.chrome.browser.tabmodel.TabCreatorManager.TabCreator;
@@ -215,8 +217,20 @@ public class TabWebContentsDelegateAndroid extends WebContentsDelegateAndroid {
 
     @Override
     public void toggleFullscreenModeForTab(boolean enableFullscreen) {
-        if (!VideoPersister.getInstance().shouldDelayFullscreenModeChange(mTab, enableFullscreen)) {
-            mTab.toggleFullscreenMode(enableFullscreen);
+        if (mTab.getFullscreenManager() == null) {
+            Log.d(TAG, "Cannot toggle fullscreen, Manager is null.");
+            return;
+        }
+
+        if (enableFullscreen) {
+            // TODO(peconn): Make this work with multiwindow.
+            assert mTab.getActivity() instanceof ChromeTabbedActivity;
+            MultiWindowUtils.moveTabToActivity(
+                    mTab.getActivity(), mTab, FullscreenMediaActivity.class, Boolean.TRUE);
+        } else {
+            assert mTab.getActivity() instanceof FullscreenMediaActivity;
+            MultiWindowUtils.moveTabToActivity(
+                    mTab.getActivity(), mTab, ChromeTabbedActivity.class, Boolean.FALSE);
         }
     }