Make FileSystemContext respect StoragePartitions. filesystem:// urls will be properly isolated

chrome/browser/profiles/profile_impl.cc

Index: chrome/browser/profiles/profile_impl.cc
diff --git a/chrome/browser/profiles/profile_impl.cc b/chrome/browser/profiles/profile_impl.cc
index 5933687f1a616863e989512012305d436d53cb9c..09a364e76ba5fc31c9e10c00b283541583cfe618 100644
--- a/chrome/browser/profiles/profile_impl.cc
+++ b/chrome/browser/profiles/profile_impl.cc
@@ -732,6 +732,12 @@ ProfileImpl::GetMediaRequestContextForRenderProcess(
   return io_data_.GetMediaRequestContextGetter();
 }
 
+net::URLRequestContextGetter*
+ProfileImpl::GetMediaRequestContextForStoragePartition(
+    const std::string& partition_id) {
+  return io_data_.GetIsolatedMediaRequestContextGetter(partition_id);
+}
+
 content::ResourceContext* ProfileImpl::GetResourceContext() {
   return io_data_.GetResourceContext();
 }