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 01dc70688f27b2b916a3fbd5694569667fabb006..855fd098cab6059dfaddf986c79cdf9adedde9ea 100644
--- a/content/browser/storage_partition_impl.cc
+++ b/content/browser/storage_partition_impl.cc
@@ -15,6 +15,7 @@
 #include "base/sequenced_task_runner.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/utf_string_conversions.h"
+#include "content/browser/blob_storage/chrome_blob_storage_context.h"
 #include "content/browser/browser_main_loop.h"
 #include "content/browser/browsing_data/storage_partition_http_cache_data_remover.h"
 #include "content/browser/fileapi/browser_file_system_helper.h"
@@ -40,6 +41,7 @@
 #include "net/url_request/url_request_context_getter.h"
 #include "ppapi/features/features.h"
 #include "services/service_manager/public/cpp/connector.h"
+#include "storage/browser/blob/blob_storage_context.h"
 #include "storage/browser/database/database_tracker.h"
 #include "storage/browser/quota/quota_manager.h"
 
@@ -516,6 +518,10 @@ std::unique_ptr<StoragePartitionImpl> StoragePartitionImpl::Create(
 
   partition->bluetooth_allowed_devices_map_ = new BluetoothAllowedDevicesMap();
 
+  partition->blob_url_loader_factory_ = new BlobURLLoaderFactory(
+      ChromeBlobStorageContext::GetFor(context)->context()->AsWeakPtr(),
+      partition->filesystem_context_);
+
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableNetworkService)) {
     mojom::NetworkServicePtr network_service;
@@ -623,6 +629,10 @@ 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) {