Remove CustomTab and have all CustomTabActivity using Tab

chrome/android/java/src/org/chromium/chrome/browser/tab/TabDelegateFactory.java

Index: chrome/android/java/src/org/chromium/chrome/browser/tab/TabDelegateFactory.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/tab/TabDelegateFactory.java b/chrome/android/java/src/org/chromium/chrome/browser/tab/TabDelegateFactory.java
new file mode 100644
index 0000000000000000000000000000000000000000..d25b879445a4ba59e79f6ca452aaaf2c4c153185
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/tab/TabDelegateFactory.java
@@ -0,0 +1,58 @@
+// Copyright 2015 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.tab;
+
+import org.chromium.chrome.browser.ChromeActivity;
+import org.chromium.chrome.browser.banners.AppBannerManager;
+import org.chromium.chrome.browser.contextmenu.ChromeContextMenuPopulator;
+import org.chromium.chrome.browser.contextmenu.ContextMenuPopulator;
+import org.chromium.components.navigation_interception.InterceptNavigationDelegate;
+import org.chromium.components.web_contents_delegate_android.WebContentsDelegateAndroid;
+
+/**
+ * A factory class to create {@link Tab} related delegates.
+ */
+public class TabDelegateFactory {
+    /**
+     * Creates the web contents delegate the tab will be initialized with.
+     * @param tab The associated {@link Tab}.
+     * @param activity The {@link ChromeActivity} that the tab belongs to.
+     * @return The {@link WebContentsDelegateAndroid} to be used for this tab.
+     */
+    public TabWebContentsDelegateAndroid createWebContentsDelegate(
+            Tab tab, ChromeActivity activity) {
+        return new TabWebContentsDelegateAndroid(tab, activity);
+    }
+
+    /**
+     * Creates the intercept navigation delegate the tab will be initialized with.
+     * @param tab The associated {@link Tab}.
+     * @param activity The {@link ChromeActivity} that the tab belongs to.
+     * @return The {@link InterceptNavigationDelegate} to be used for this tab.
+     */
+    public InterceptNavigationDelegateImpl createInterceptNavigationDelegate(
+            Tab tab, ChromeActivity activity) {
+        return new InterceptNavigationDelegateImpl(activity, tab);
+    }
+
+    /**
+     * Creates the context menu populator the tab will be initialized with.
+     * @param tab The associated {@link Tab}.
+     * @param activity The {@link ChromeActivity} that the tab belongs to.
+     * @return The {@link ContextMenuPopulator} to be used for this tab.
+     */
+    public ContextMenuPopulator createContextMenuPopulator(Tab tab, ChromeActivity activity) {
+        return new ChromeContextMenuPopulator(new TabContextMenuItemDelegate(tab, activity));
+    }
+
+    /**
+     * Creates the app banner manager the tab will be initialized with.
+     * @param tab The associated {@link Tab}.
+     * @return {@link AppBannerManager} to be used for the given tab. May be null.
+     */
+    public AppBannerManager createAppBannerManager(Tab tab) {
+        return new AppBannerManager(tab, tab.getApplicationContext());
+    }
+}