Logging and check fail crbug/612358

storage/browser/blob/blob_async_builder_host.h

Index: storage/browser/blob/blob_async_builder_host.h
diff --git a/storage/browser/blob/blob_async_builder_host.h b/storage/browser/blob/blob_async_builder_host.h
index b7e82fb3dd7dd97b6422b70e301f881dbab93f5d..f83d446f68587cdc3c023453fef2fffe85d22435 100644
--- a/storage/browser/blob/blob_async_builder_host.h
+++ b/storage/browser/blob/blob_async_builder_host.h
@@ -162,11 +162,24 @@ class STORAGE_EXPORT BlobAsyncBuilderHost {
     // and to wait until any blobs that are not done building are fully
     // constructed.
     std::vector<std::unique_ptr<BlobDataHandle>> referenced_blob_handles;
-
     // These are the number of blobs we're waiting for before we can start
     // building.
     size_t num_referenced_blobs_building = 0;
 
+    void LogState() {
+      LOG(ERROR) << "Requests: " << request_builder.requests().size();
+      for (const auto& request : request_builder.requests()) {
+        LOG(ERROR) << " " << static_cast<int>(request.message.transport_strategy);
+      }
+
+      LOG(ERROR) << "request_received: " << request_received.size();
+      for (bool received : request_received) {
+        LOG(ERROR) << " " << received;
+      }
+      LOG(ERROR) << "next_request: " << next_request;
+      LOG(ERROR) << "num_fulfilled: " << num_fulfilled_requests;
+    }
+
     BlobAsyncBuilderHost::RequestMemoryCallback request_memory_callback;
   };