[Document mode] Force more pathways to use the TabDelegate instead

chrome/android/java/src/org/chromium/chrome/browser/tabmodel/document/DocumentTabModelImpl.java

Index: chrome/android/java/src/org/chromium/chrome/browser/tabmodel/document/DocumentTabModelImpl.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/document/DocumentTabModelImpl.java b/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/document/DocumentTabModelImpl.java
index c716c54b998d694f26713db665b7710329218317..ff4ef6173e8fd177fde84ece6a1d6c46c4c90029 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/document/DocumentTabModelImpl.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/tabmodel/document/DocumentTabModelImpl.java
@@ -339,9 +339,10 @@ public class DocumentTabModelImpl extends TabModelJniBridge implements DocumentT
         // session restore tabs.  Differs from TabModelImpl because we explicitly open tabs in the
         // foreground -- opening tabs in affiliated mode is disallowed by ChromeLauncherActivity
         // when a WebContents has already been created.
-        return getTabDelegate(isIncognito).createTabWithWebContents(
+        getTabDelegate(isIncognito).createTabWithWebContents(
                 webContents, parentTabId, TabLaunchType.FROM_LONGPRESS_FOREGROUND,
                 DocumentMetricIds.STARTED_BY_CHROME_HOME_RECENT_TABS);
+        return null;
     }
 
     @Override