Upstream DocumentTabModelImpl and related classes

chrome/test/android/javatests/src/org/chromium/chrome/test/util/browser/tabmodel/document/MockTabDelegate.java

Index: chrome/test/android/javatests/src/org/chromium/chrome/test/util/browser/tabmodel/document/MockTabDelegate.java
diff --git a/chrome/test/android/javatests/src/org/chromium/chrome/test/util/browser/tabmodel/document/MockTabDelegate.java b/chrome/test/android/javatests/src/org/chromium/chrome/test/util/browser/tabmodel/document/MockTabDelegate.java
new file mode 100644
index 0000000000000000000000000000000000000000..d9bdaf31dc20973f4f54cb63c1b26034cd5e840b
--- /dev/null
+++ b/chrome/test/android/javatests/src/org/chromium/chrome/test/util/browser/tabmodel/document/MockTabDelegate.java
@@ -0,0 +1,36 @@
+// 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.test.util.browser.tabmodel.document;
+
+import android.app.Activity;
+
+import org.chromium.chrome.browser.Tab;
+import org.chromium.chrome.browser.tabmodel.document.ActivityDelegate;
+import org.chromium.chrome.browser.tabmodel.document.DocumentTabModel.Entry;
+import org.chromium.chrome.browser.tabmodel.document.TabDelegate;
+
+/**
+ * Mocks out calls to get Tabs for the DocumentTabModel.
+ */
+public class MockTabDelegate implements TabDelegate {
+    @Override
+    public Tab getActivityTab(boolean incognito, ActivityDelegate delgate, Activity activity) {
+        return null;
+    }
+
+    @Override
+    public Tab createFrozenTab(Entry entry) {
+        return null;
+    }
+
+    @Override
+    public void createTabWithNativeContents(boolean isIncognito, long webContentsPtr,
+            int parentTabId) {
+    }
+
+    @Override
+    public void createTabForDevTools(String url) {
+    }
+}