Add unit tests for the Background Scheduler.

chrome/android/java_sources.gni

Index: chrome/android/java_sources.gni
diff --git a/chrome/android/java_sources.gni b/chrome/android/java_sources.gni
index d6f7127d5a682b53972cfc0eb6f81334406f90a1..362d30ec191fe16e355d190c349fe8cbb3a6f218 100644
--- a/chrome/android/java_sources.gni
+++ b/chrome/android/java_sources.gni
@@ -507,14 +507,17 @@ chrome_java_sources = [
   "java/src/org/chromium/chrome/browser/ntp/cards/NewTabPageRecyclerView.java",
   "java/src/org/chromium/chrome/browser/ntp/cards/NewTabPageViewHolder.java",
   "java/src/org/chromium/chrome/browser/ntp/cards/SpacingListItem.java",
-  "java/src/org/chromium/chrome/browser/offlinepages/BackgroundScheduler.java",
   "java/src/org/chromium/chrome/browser/offlinepages/BackgroundOfflinerTask.java",
+  "java/src/org/chromium/chrome/browser/offlinepages/BackgroundScheduler.java",
   "java/src/org/chromium/chrome/browser/offlinepages/BackgroundSchedulerBridge.java",
+  "java/src/org/chromium/chrome/browser/offlinepages/BackgroundSchedulerProcessorImpl.java",
   "java/src/org/chromium/chrome/browser/offlinepages/ClientId.java",
   "java/src/org/chromium/chrome/browser/offlinepages/OfflinePageBridge.java",
   "java/src/org/chromium/chrome/browser/offlinepages/OfflinePageItem.java",
   "java/src/org/chromium/chrome/browser/offlinepages/OfflinePageTabObserver.java",
   "java/src/org/chromium/chrome/browser/offlinepages/OfflinePageUtils.java",
+  "java/src/org/chromium/chrome/browser/offlinepages/TaskExtrasPacker.java",
+  "java/src/org/chromium/chrome/browser/offlinepages/interfaces/BackgroundSchedulerProcessor.java",
   "java/src/org/chromium/chrome/browser/omaha/ExponentialBackoffScheduler.java",
   "java/src/org/chromium/chrome/browser/omaha/MarketURLGetter.java",
   "java/src/org/chromium/chrome/browser/omaha/OmahaClient.java",
@@ -1230,10 +1233,14 @@ chrome_junit_test_java_sources = [
   "junit/src/org/chromium/chrome/browser/notifications/NotificationPlatformBridgeTest.java",
   "junit/src/org/chromium/chrome/browser/ntp/NativePageFactoryTest.java",
   "junit/src/org/chromium/chrome/browser/ntp/cards/NewTabPageAdapterTest.java",
+  "junit/src/org/chromium/chrome/browser/offlinepages/BackgroundSchedulerTest.java",
+  "junit/src/org/chromium/chrome/browser/offlinepages/BackgroundOfflinerTaskTest.java",
   "junit/src/org/chromium/chrome/browser/offlinepages/ClientIdTest.java",
   "junit/src/org/chromium/chrome/browser/offlinepages/OfflinePageBridgeTest.java",
   "junit/src/org/chromium/chrome/browser/offlinepages/OfflinePageTabObserverTest.java",
   "junit/src/org/chromium/chrome/browser/offlinepages/OfflinePageUtilsTest.java",
+  "junit/src/org/chromium/chrome/browser/offlinepages/ShadowGcmNetworkManager.java",
+  "junit/src/org/chromium/chrome/browser/offlinepages/StubBackgroundSchedulerProcessor.java",
   "junit/src/org/chromium/chrome/browser/omaha/ResponseParserTest.java",
   "junit/src/org/chromium/chrome/browser/omaha/VersionNumberTest.java",
   "junit/src/org/chromium/chrome/browser/payments/CurrencyStringFormatterTest.java",