Request Picker task

components/offline_pages/background/BUILD.gn

Index: components/offline_pages/background/BUILD.gn
diff --git a/components/offline_pages/background/BUILD.gn b/components/offline_pages/background/BUILD.gn
index 2765469fd9b894b3a66e23c8dcafe39793a2f107..3f428f15a9c521e0c4cf340f0e5719945c0ec0a4 100644
--- a/components/offline_pages/background/BUILD.gn
+++ b/components/offline_pages/background/BUILD.gn
@@ -20,6 +20,10 @@ static_library("background_offliner") {
     "offliner.h",
     "offliner_factory.h",
     "offliner_policy.h",
+    "pick_request_task.cc",
+    "pick_request_task.h",
+    "pick_request_task_factory.cc",
+    "pick_request_task_factory.h",
     "remove_requests_task.cc",
     "remove_requests_task.h",
     "request_coordinator.cc",
@@ -27,12 +31,11 @@ static_library("background_offliner") {
     "request_coordinator_event_logger.cc",
     "request_coordinator_event_logger.h",
     "request_notifier.h",
-    "request_picker.cc",
-    "request_picker.h",
     "request_queue.cc",
     "request_queue.h",
     "request_queue_in_memory_store.cc",
     "request_queue_in_memory_store.h",
+    "request_queue_results.h",
     "request_queue_store.h",
     "request_queue_store_sql.cc",
     "request_queue_store_sql.h",
@@ -62,10 +65,10 @@ source_set("unit_tests") {
     "mark_attempt_aborted_task_unittest.cc",
     "mark_attempt_completed_task_unittest.cc",
     "mark_attempt_started_task_unittest.cc",
+    "pick_request_task_unittest.cc",
     "remove_requests_task_unittest.cc",
     "request_coordinator_event_logger_unittest.cc",
     "request_coordinator_unittest.cc",
-    "request_picker_unittest.cc",
     "request_queue_store_unittest.cc",
     "request_queue_unittest.cc",
     "save_page_request_unittest.cc",