📺 Move fullscreen web content to a new Activity.

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 ff9504bcf0c9084f01decdb648f84258a397144f..5e6229a3f7e56d88764b30b0665fcc2898ebf27a 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/ChromeTabbedActivity.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ChromeTabbedActivity.java
@@ -1390,7 +1390,7 @@ public class ChromeTabbedActivity extends ChromeActivity implements OverviewMode
         final Tab currentTab = getActivityTab();
         boolean currentTabIsNtp = currentTab != null && NewTabPage.isNTPUrl(currentTab.getUrl());
         if (id == R.id.move_to_other_window_menu_id) {
-            if (currentTab != null) moveTabToOtherWindow(currentTab);
+            if (currentTab != null) MultiWindowUtils.moveTabToOtherWindow(this, currentTab);
         } else if (id == R.id.new_tab_menu_id) {
             getTabModelSelector().getModel(false).commitAllTabClosures();
             RecordUserAction.record("MobileMenuNewTab");
@@ -1497,18 +1497,6 @@ public class ChromeTabbedActivity extends ChromeActivity implements OverviewMode
         }
     }
 
-    private void moveTabToOtherWindow(Tab tab) {
-        Class<? extends Activity> targetActivity =
-                MultiWindowUtils.getInstance().getOpenInOtherWindowActivity(this);
-        if (targetActivity == null) return;
-
-        Intent intent = new Intent(this, targetActivity);
-        MultiWindowUtils.setOpenInOtherWindowIntentExtras(intent, this, targetActivity);
-        MultiWindowUtils.onMultiInstanceModeStarted();
-
-        tab.detachAndStartReparenting(intent, null, null);
-    }
-
     @Override
     public boolean handleBackPressed() {
         if (!mUIInitialized) return false;
@@ -2011,4 +1999,9 @@ public class ChromeTabbedActivity extends ChromeActivity implements OverviewMode
         }
         return false;
     }
+
+    @Override
+    public boolean supportsFullscreenActivity() {
+        return true;
+    }
 }