Pull methods upwards from ChromeTabCreator.

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

Index: chrome/android/java_staging/src/org/chromium/chrome/browser/ChromeTabbedActivity.java
diff --git a/chrome/android/java_staging/src/org/chromium/chrome/browser/ChromeTabbedActivity.java b/chrome/android/java_staging/src/org/chromium/chrome/browser/ChromeTabbedActivity.java
index 35f4d1d24867b2fd2b141a81d5379eb62df9e4ee..2a1957fc190b1c8e1c7f24d81f529a975e4b6ba2 100644
--- a/chrome/android/java_staging/src/org/chromium/chrome/browser/ChromeTabbedActivity.java
+++ b/chrome/android/java_staging/src/org/chromium/chrome/browser/ChromeTabbedActivity.java
@@ -74,7 +74,9 @@ import org.chromium.chrome.browser.signin.SigninPromoScreen;
 import org.chromium.chrome.browser.snackbar.undo.UndoBarPopupController;
 import org.chromium.chrome.browser.sync.SyncController;
 import org.chromium.chrome.browser.tab.ChromeTab;
+import org.chromium.chrome.browser.tabmodel.ChromeTabCreator;
 import org.chromium.chrome.browser.tabmodel.EmptyTabModelObserver;
+import org.chromium.chrome.browser.tabmodel.TabCreatorManager.TabCreator;
 import org.chromium.chrome.browser.tabmodel.TabModel;
 import org.chromium.chrome.browser.tabmodel.TabModel.TabLaunchType;
 import org.chromium.chrome.browser.tabmodel.TabModelObserver;
@@ -343,6 +345,20 @@ public class ChromeTabbedActivity extends CompositorChromeActivity implements Ac
         }
     }
 
+    @Override
+    public ChromeTabCreator getTabCreator(boolean incognito) {
+        TabCreator tabCreator = super.getTabCreator(incognito);
+        assert tabCreator instanceof ChromeTabCreator;
+        return (ChromeTabCreator) tabCreator;
+    }
+
+    @Override
+    public ChromeTabCreator getCurrentTabCreator() {
+        TabCreator tabCreator = super.getCurrentTabCreator();
+        assert tabCreator instanceof ChromeTabCreator;
+        return (ChromeTabCreator) tabCreator;
+    }
+
     private void handleDebugIntent(Intent intent) {
         if (ACTION_CLOSE_TABS.equals(intent.getAction())) {
             getTabModelSelector().closeAllTabs();