[BlobAsync] Moving async handling into BlobStorageContext & quota out.

content/child/blob_storage/blob_message_filter.h

Index: content/child/blob_storage/blob_message_filter.h
diff --git a/content/child/blob_storage/blob_message_filter.h b/content/child/blob_storage/blob_message_filter.h
index a0bf93c08392e16a956305927eb7971836d07dbc..796a8c08f86711094bc7914a7d8933ad010ae0e6 100644
--- a/content/child/blob_storage/blob_message_filter.h
+++ b/content/child/blob_storage/blob_message_filter.h
@@ -56,10 +56,7 @@ class BlobMessageFilter : public IPC::MessageFilter {
       std::vector<base::SharedMemoryHandle> memory_handles,
       const std::vector<IPC::PlatformFileForTransit>& file_handles);
 
-  void OnCancelBuildingBlob(const std::string& uuid,
-                            storage::IPCBlobCreationCancelCode code);
-
-  void OnDoneBuildingBlob(const std::string& uuid);
+  void OnBlobFinalStatus(const std::string& uuid, storage::BlobStatus code);
 
   IPC::Sender* sender_;
   scoped_refptr<base::TaskRunner> file_runner_;