Revert of Revert of [Android] JUnit runner + gyp changes.

testing/android/junit/javatests/src/org/chromium/testing/local/RunnerFilterTest.java

Index: testing/android/junit/javatests/src/org/chromium/testing/local/RunnerFilterTest.java
diff --git a/testing/android/junit/javatests/src/org/chromium/testing/local/RunnerFilterTest.java b/testing/android/junit/javatests/src/org/chromium/testing/local/RunnerFilterTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..9a73be785e3321cc530a03113a92de4e13b7f91a
--- /dev/null
+++ b/testing/android/junit/javatests/src/org/chromium/testing/local/RunnerFilterTest.java
@@ -0,0 +1,56 @@
+// 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.testing.local;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.Description;
+import org.junit.runner.RunWith;
+import org.junit.runner.manipulation.Filter;
+import org.junit.runners.BlockJUnit4ClassRunner;
+import org.junit.runners.Suite;
+
+/**
+ *  Unit tests for RunnerFilter.
+ */
+@RunWith(BlockJUnit4ClassRunner.class)
+public class RunnerFilterTest {
+
+    @Test
+    public void testDescription() {
+        Filter filterUnderTest = new RunnerFilter(BlockJUnit4ClassRunner.class);
+        Assert.assertEquals("runner-filter: org.junit.runners.BlockJUnit4ClassRunner",
+                filterUnderTest.describe());
+    }
+
+    @Test
+    public void testNoFilter() {
+        Filter filterUnderTest = new RunnerFilter(null);
+        Assert.assertFalse(filterUnderTest.shouldRun(
+                Description.createTestDescription(RunnerFilterTest.class, "testNoFilter")));
+    }
+
+    @Test
+    public void testFilterHit() {
+        Filter filterUnderTest = new RunnerFilter(BlockJUnit4ClassRunner.class);
+        Assert.assertTrue(filterUnderTest.shouldRun(
+                Description.createTestDescription(RunnerFilterTest.class, "testFilterHit")));
+    }
+
+    @Test
+    public void testFilterMiss() {
+        Filter filterUnderTest = new RunnerFilter(Suite.class);
+        Assert.assertFalse(filterUnderTest.shouldRun(
+                Description.createTestDescription(RunnerFilterTest.class, "testFilterMiss")));
+    }
+
+    @Test
+    public void testClassNotFound() {
+        Filter filterUnderTest = new RunnerFilter(BlockJUnit4ClassRunner.class);
+        Assert.assertFalse(filterUnderTest.shouldRun(
+                Description.createTestDescription("FakeTestClass", "fakeTestMethod")));
+    }
+}
+