Add unit tests for the Background Scheduler.

chrome/android/java/src/org/chromium/chrome/browser/offlinepages/SchedulerBridgeImpl.java

Index: chrome/android/java/src/org/chromium/chrome/browser/offlinepages/SchedulerBridgeImpl.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/offlinepages/SchedulerBridgeImpl.java b/chrome/android/java/src/org/chromium/chrome/browser/offlinepages/SchedulerBridgeImpl.java
new file mode 100644
index 0000000000000000000000000000000000000000..667302367fbacd29916ac1f53f2edd7336ea3c2e
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/offlinepages/SchedulerBridgeImpl.java
@@ -0,0 +1,21 @@
+// Copyright 2016 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.offlinepages;
+
+import org.chromium.chrome.browser.offlinepages.interfaces.SchedulerBridge;
+
+/**
+ * Implementation of the scheduler bridge class that defers to the static background scheduler
+ * bridge.
+ */
+public class SchedulerBridgeImpl implements SchedulerBridge {
+    @Override
+    public boolean startProcessing(SchedulerBridge.ProcessingDoneCallback callback) {
+
+        BackgroundSchedulerBridge.startProcessing(callback);
+
+        return true;
+    }
+}