[Android] Adding scheduling through GcmNetworkManager

components/background_task_scheduler/BUILD.gn

Index: components/background_task_scheduler/BUILD.gn
diff --git a/components/background_task_scheduler/BUILD.gn b/components/background_task_scheduler/BUILD.gn
index 6bd4bacda46d6cf43adcb7e8c3aed2425be09533..138124ff08d2a882e076d4bc459101938931d435 100644
--- a/components/background_task_scheduler/BUILD.gn
+++ b/components/background_task_scheduler/BUILD.gn
@@ -23,11 +23,14 @@ if (is_android) {
   android_library("background_task_scheduler_java") {
     java_files = [
       "android/java/src/org/chromium/components/background_task_scheduler/BackgroundTask.java",
+      "android/java/src/org/chromium/components/background_task_scheduler/BackgroundTaskGcmTaskService.java",
       "android/java/src/org/chromium/components/background_task_scheduler/BackgroundTaskJobService.java",
       "android/java/src/org/chromium/components/background_task_scheduler/BackgroundTaskScheduler.java",
       "android/java/src/org/chromium/components/background_task_scheduler/BackgroundTaskSchedulerDelegate.java",
       "android/java/src/org/chromium/components/background_task_scheduler/BackgroundTaskSchedulerFactory.java",
+      "android/java/src/org/chromium/components/background_task_scheduler/BackgroundTaskSchedulerGcmNetworkManager.java",
       "android/java/src/org/chromium/components/background_task_scheduler/BackgroundTaskSchedulerJobService.java",
+      "android/java/src/org/chromium/components/background_task_scheduler/BackgroundTaskSchedulerPrefs.java",
       "android/java/src/org/chromium/components/background_task_scheduler/BundleToPersistableBundleConverter.java",
       "android/java/src/org/chromium/components/background_task_scheduler/TaskIds.java",
       "android/java/src/org/chromium/components/background_task_scheduler/TaskInfo.java",
@@ -37,6 +40,7 @@ if (is_android) {
     deps = [
       "//base:base_java",
       "//third_party/android_tools:android_support_annotations_java",
+      google_play_services_library,
     ]
   }
 
@@ -54,6 +58,26 @@ if (is_android) {
       "//base:base_java_test_support",
       "//third_party/android_support_test_runner:runner_java",
       "//third_party/junit",
+      google_play_services_library,
     ]
   }
+
+  junit_binary("components_background_task_scheduler_junit_tests") {
+    java_files = [
+      "android/junit/src/org/chromium/components/background_task_scheduler/BackgroundTaskSchedulerGcmNetworkManagerTest.java",
+      "android/junit/src/org/chromium/components/background_task_scheduler/BackgroundTaskGcmTaskServiceTest.java",
+      "android/junit/src/org/chromium/components/background_task_scheduler/BackgroundTaskSchedulerPrefsTest.java",
+      "android/junit/src/org/chromium/components/background_task_scheduler/ShadowGcmNetworkManager.java",
+      "android/junit/src/org/chromium/components/background_task_scheduler/TestBackgroundTask.java",
+    ]
+
+    deps = [
+      ":background_task_scheduler_java",
+      "//base:base_java",
+      "//base:base_java_test_support",
+      "//third_party/junit",
+      google_play_services_library,
+    ]
+    srcjar_deps = [ "//base:base_build_config_gen" ]
+  }
 }