Make the BackgroundFetchJobController a per-job object

content/browser/background_fetch/background_fetch_job_info.cc

Index: content/browser/background_fetch/background_fetch_job_info.cc
diff --git a/content/browser/background_fetch/background_fetch_job_info.cc b/content/browser/background_fetch/background_fetch_job_info.cc
index 71c33ab5158799a1a6321243b29ceacf6539c85a..fa74413e7bc7aba3cd0bc5517fcb249bc6880804 100644
--- a/content/browser/background_fetch/background_fetch_job_info.cc
+++ b/content/browser/background_fetch/background_fetch_job_info.cc
@@ -17,6 +17,16 @@ BackgroundFetchJobInfo::BackgroundFetchJobInfo(
       origin_(origin),
       service_worker_registration_id_(service_worker_registration_id) {}
 
+BackgroundFetchJobInfo::BackgroundFetchJobInfo() = default;
+
+BackgroundFetchJobInfo::BackgroundFetchJobInfo(
+    const BackgroundFetchJobInfo& other)
+    : guid_(other.guid_),
+      tag_(other.tag_),
+      origin_(other.origin_),
+      service_worker_registration_id_(other.service_worker_registration_id_),
+      request_guids_(other.request_guids_) {}
+
 BackgroundFetchJobInfo::~BackgroundFetchJobInfo() = default;
 
 }  // namespace content