Start unifying document-mode and tabbed-mode tab creation

chrome/android/java_staging/src/org/chromium/chrome/browser/document/DocumentMigrationHelper.java

Index: chrome/android/java_staging/src/org/chromium/chrome/browser/document/DocumentMigrationHelper.java
diff --git a/chrome/android/java_staging/src/org/chromium/chrome/browser/document/DocumentMigrationHelper.java b/chrome/android/java_staging/src/org/chromium/chrome/browser/document/DocumentMigrationHelper.java
index 07f2d62bfbb56205d3d8fa61502c1c35ba22b6cf..aa371b78152283debb794fc7b5facd213a39f789 100644
--- a/chrome/android/java_staging/src/org/chromium/chrome/browser/document/DocumentMigrationHelper.java
+++ b/chrome/android/java_staging/src/org/chromium/chrome/browser/document/DocumentMigrationHelper.java
@@ -42,6 +42,7 @@ import org.chromium.chrome.browser.favicon.FaviconHelper.FaviconImageCallback;
 import org.chromium.chrome.browser.ntp.NativePageFactory;
 import org.chromium.chrome.browser.preferences.ChromePreferenceManager;
 import org.chromium.chrome.browser.profiles.Profile;
+import org.chromium.chrome.browser.tabmodel.TabCreatorManager;
 import org.chromium.chrome.browser.tabmodel.TabPersistentStore;
 import org.chromium.chrome.browser.tabmodel.TabPersistentStore.OnTabStateReadCallback;
 import org.chromium.chrome.browser.tabmodel.document.ActivityDelegate;
@@ -122,6 +123,16 @@ public class DocumentMigrationHelper {
         }
     }
 
+    private static class MigrationTabCreatorManager implements TabCreatorManager {
+        TabDelegateImpl mRegularTabCreator = new TabDelegateImpl(false);
+        TabDelegateImpl mIncognitoTabCreator = new TabDelegateImpl(true);
+
+        @Override
+        public TabDelegateImpl getTabCreator(boolean incognito) {
+            return incognito ? mIncognitoTabCreator : mRegularTabCreator;
+        }
+    }
+
     private static class MigrationTabModel extends DocumentTabModelImpl {
         private final SparseArray<String> mTitleList;
 
@@ -132,7 +143,7 @@ public class DocumentMigrationHelper {
          */
         MigrationTabModel(MigrationActivityDelegate activityDelegate,
                 StorageDelegate storageDelegate) {
-            super(activityDelegate, storageDelegate, new TabDelegateImpl(), false,
+            super(activityDelegate, storageDelegate, new MigrationTabCreatorManager(), false,
                     Tab.INVALID_TAB_ID, ApplicationStatus.getApplicationContext());
             startTabStateLoad();
             mTitleList = new SparseArray<String>();