Add file backend support for Blob and related

Changes include:
- Add BlobImpl to Blob, and related caching mechanism
- Expose ResourceThreads to document_loader, workerglobalscope, worker, and global
- Fix encode_multipart_form_data
- Other small fixes to accommodate the above changes

1 files changed, 2 insertions, 2 deletions

diff --git a/components/script/dom/worker.rs b/components/script/dom/worker.rs
index 0a18125f1bc..7c5eab3b045 100644
--- a/components/script/dom/worker.rs
+++ b/components/script/dom/worker.rs
@@ -99,7 +99,7 @@ impl Worker {
             Err(_) => return Err(Error::Syntax),
         };
 
-        let core_resource_thread = global.core_resource_thread();
+        let resource_threads = global.resource_threads();
         let constellation_chan = global.constellation_chan().clone();
         let scheduler_chan = global.scheduler_chan().clone();
 
@@ -134,7 +134,7 @@ impl Worker {
         };
 
         let init = WorkerGlobalScopeInit {
-            core_resource_thread: core_resource_thread,
+            resource_threads: resource_threads,
             mem_profiler_chan: global.mem_profiler_chan().clone(),
             time_profiler_chan: global.time_profiler_chan().clone(),
             to_devtools_sender: global.devtools_chan(),