Create Next Gen Parameter Test Framework for JUnit4

base/test/android/javatests/src/org/chromium/base/test/params/ParameterizedRunnerDelegate.java

Index: base/test/android/javatests/src/org/chromium/base/test/params/ParameterizedRunnerDelegate.java
diff --git a/base/test/android/javatests/src/org/chromium/base/test/params/ParameterizedRunnerDelegate.java b/base/test/android/javatests/src/org/chromium/base/test/params/ParameterizedRunnerDelegate.java
new file mode 100644
index 0000000000000000000000000000000000000000..9b755feb6cdc8503077a64f3d6a1d3e8a162a6c3
--- /dev/null
+++ b/base/test/android/javatests/src/org/chromium/base/test/params/ParameterizedRunnerDelegate.java
@@ -0,0 +1,34 @@
+// Copyright 2017 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.base.test.params;
+
+import org.junit.runners.model.FrameworkMethod;
+
+import java.util.List;
+
+/**
+ * This interface defines the methods that needs to be overriden for a Runner to
+ * be used by ParameterizedRunner to generate individual runners for parameters.
+ *
+ * To create a ParameterizedRunnerDelegate, extends from any BlockJUnit4Runner
+ * children class. You can copy all the implementation from
+ * org.chromium.base.test.params.BaseJUnit4RunnerDelegate.
+ */
+public interface ParameterizedRunnerDelegate {
+    /**
+     * Override to use DelegateCommon's implementation
+     */
+    void collectInitializationErrors(List<Throwable> errors);
+
+    /**
+     * Override to use DelegateCommon's implementation
+     */
+    List<FrameworkMethod> computeTestMethods();
+
+    /**
+     * Override to use DelegateCommon's implementation
+     */
+    Object createTest();
+}