Add initial Controller to DownloadService

components/download/internal/entry.cc

Index: components/download/internal/entry.cc
diff --git a/components/download/internal/entry.cc b/components/download/internal/entry.cc
index 56d819c39d8ddff020472169a73a617d611408d4..f68d5bf2eaa6afc7f474e06b6b96086ab7c27458 100644
--- a/components/download/internal/entry.cc
+++ b/components/download/internal/entry.cc
@@ -8,6 +8,13 @@ namespace download {
 
 Entry::Entry() = default;
 Entry::Entry(const Entry& other) = default;
+
+Entry::Entry(const DownloadParams& params)
+    : client(params.client),
+      guid(params.guid),
+      scheduling_params(params.scheduling_params),
+      request_params(params.request_params) {}
+
 Entry::~Entry() = default;
 
 }  // namespace download