Set the Content-Type and Content-Length headers for BG Fetch

content/browser/background_fetch/background_fetch_data_manager.cc

Index: content/browser/background_fetch/background_fetch_data_manager.cc
diff --git a/content/browser/background_fetch/background_fetch_data_manager.cc b/content/browser/background_fetch/background_fetch_data_manager.cc
index 64d62d78f70d8814fe4c9178efa78a1e8737389d..24909e37f2629cb177ad79cc209b007593794272 100644
--- a/content/browser/background_fetch/background_fetch_data_manager.cc
+++ b/content/browser/background_fetch/background_fetch_data_manager.cc
@@ -207,11 +207,21 @@ void BackgroundFetchDataManager::GetSettledFetchesForRegistration(
     settled_fetch.request = request->fetch_request();
 
     settled_fetch.response.url_list = request->GetURLChain();
-    // TODO: settled_fetch.response.status_code
+
+    // TODO(peter): The |status_code| should match what the download manager ran
+    // in to in the BackgroundFetchResponseInfo.
+    settled_fetch.response.status_code = 200;
     // TODO: settled_fetch.response.status_text
+
     settled_fetch.response.response_type =
         blink::WebServiceWorkerResponseTypeDefault;
-    // TODO: settled_fetch.response.headers
+
+    // TODO(peter): The |headers| should be set to the real response headers,
+    // but the download manager does not relay those to us yet.
+    if (!request->GetResponseType().empty()) {
+      settled_fetch.response.headers["Content-Type"] =
+          request->GetResponseType();
+    }
 
     if (request->GetFileSize() > 0) {
       DCHECK(!request->GetFilePath().empty());
@@ -226,6 +236,10 @@ void BackgroundFetchDataManager::GetSettledFetchesForRegistration(
         settled_fetch.response.blob_uuid = blob_handle->GetUUID();
         settled_fetch.response.blob_size = request->GetFileSize();
 
+        // TODO(peter): Remove when we relay the real response headers.
+        settled_fetch.response.headers["Content-Length"] =
+            std::to_string(request->GetFileSize());
+
         blob_handles.push_back(std::move(blob_handle));
       }
     }