Start unifying document-mode and tabbed-mode tab creation

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

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.chrome.browser.tabmodel.document;
 
 import android.app.Activity;
 
 import org.chromium.chrome.browser.Tab;
-import org.chromium.chrome.browser.document.PendingDocumentData;
-import org.chromium.chrome.browser.tabmodel.document.DocumentTabModel.Entry;
-import org.chromium.content_public.browser.LoadUrlParams;
+import org.chromium.chrome.browser.tabmodel.TabCreatorManager.TabCreator;
+import org.chromium.chrome.browser.tabmodel.TabModel.TabLaunchType;
 import org.chromium.content_public.browser.WebContents;
 
 /**
  * Provides Tabs to a DocumentTabModel.
- * TODO(dfalcantara): Make this a TabCreatorManager.TabCreator subclass.
  */
-public interface TabDelegate {
+public interface TabDelegate extends TabCreator {
     /**
      * Returns the Tab for the given Activity.
-     * @param incognito Whether the Activity is supposed to hold an incognito Tab.
-     * @param delgate Sotres information about DocumentActivities.
+     * @param delgate Stores information about DocumentActivities.
      * @param activity Activity to grab the Tab of.
      * @return Tab for the DocumentActivity, if it is a valid DocumentActivity.  Null otherwise.
      */
-    Tab getActivityTab(boolean incognito, ActivityDelegate delgate, Activity activity);
+    Tab getActivityTab(ActivityDelegate activityDelegate, Activity activity);
 
     /**
-     * Opens a new Tab in the foreground.
-     * Assumed to be triggered by a window.open().
+     * Creates a Tab to host the given WebContents.
+     * @param webContents WebContents that has been pre-created.
+     * @param parentId ID of the parent Tab.
+     * @param type Launch type for the Tab.
+     * @param startedBy See {@link DocumentMetricIds}.
      */
-    void createTabInForeground(Activity parentActivity, boolean incognito,
-            LoadUrlParams loadUrlParams, PendingDocumentData documentParams);
-
-    /**
-     * Creates a frozen Tab for the Entry.  This Tab is not meant to be used or unfrozen -- it is
-     * only used as a placeholder until the real Tab can be created.
-     * @param entry Entry containing TabState.
-     * @return A frozen Tab.
-     */
-    Tab createFrozenTab(Entry entry);
-
-    /**
-     * Creates a new Activity for the pre-created WebContents.
-     * @param isIncognito Whether the Activity is supposed to hold an incognito Tab.
-     * @param webContents WebContents to use with the new Tab.
-     * @param parentTabId ID of the spawning Tab.
-     */
-    void createTabWithWebContents(boolean isIncognito, WebContents webContents, int parentTabId);
-
-    /**
-     * Creates a new Tab for a URL typed into DevTools.
-     * @param url URL to spawn a Tab for.
-     */
-    void createTabForDevTools(String url);
+    Tab createTabWithWebContents(
+            WebContents webContents, int parentId, TabLaunchType type, int startedBy);
 }