Add support for reading blobs when using the network service.

content/browser/storage_partition_impl.cc

Index: content/browser/storage_partition_impl.cc
diff --git a/content/browser/storage_partition_impl.cc b/content/browser/storage_partition_impl.cc
index 96c9472872f1fef2ea9885d0ddc68e3d5fde62fe..b9b36f9bbd1290fafd8464588c67ca897f87c4a0 100644
--- a/content/browser/storage_partition_impl.cc
+++ b/content/browser/storage_partition_impl.cc
@@ -511,6 +511,9 @@ std::unique_ptr<StoragePartitionImpl> StoragePartitionImpl::Create(
 
   partition->bluetooth_allowed_devices_map_ = new BluetoothAllowedDevicesMap();
 
+  partition->blob_url_loader_factory_ =
+      new BlobURLLoaderFactory(partition.get());
+
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableNetworkService)) {
     mojom::NetworkServicePtr network_service;
@@ -616,6 +619,10 @@ StoragePartitionImpl::GetBluetoothAllowedDevicesMap() {
   return bluetooth_allowed_devices_map_.get();
 }
 
+BlobURLLoaderFactory* StoragePartitionImpl::GetBlobURLLoaderFactory() {
+  return blob_url_loader_factory_.get();
+}
+
 void StoragePartitionImpl::OpenLocalStorage(
     const url::Origin& origin,
     mojo::InterfaceRequest<mojom::LevelDBWrapper> request) {