[PATCH v3 4/4] include: Add IOutputStream in windows.storage.streams.idl.

[Biswapriyo Nath]

From: Biswapriyo Nath

Required for https://github.com/mozilla/gecko-dev/blob/7e0ae4372c52b8183d1178132dd6493edb...
---
 include/windows.storage.streams.idl | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/include/windows.storage.streams.idl b/include/windows.storage.streams.idl
index 5529a56dcf2..b3cb8dbe20f 100644
--- a/include/windows.storage.streams.idl
+++ b/include/windows.storage.streams.idl
@@ -58,10 +58,12 @@ namespace Windows.Storage.Streams {
         interface Windows.Foundation.Collections.IVectorView<Windows.Storage.Streams.IRandomAccessStream *>;
         interface Windows.Foundation.Collections.IVector<Windows.Storage.Streams.IRandomAccessStream *>;
         interface Windows.Foundation.AsyncOperationCompletedHandler<Windows.Storage.Streams.IBuffer *>;
+        interface Windows.Foundation.AsyncOperationCompletedHandler<Windows.Storage.Streams.IOutputStream *>;
         interface Windows.Foundation.AsyncOperationCompletedHandler<Windows.Storage.Streams.IRandomAccessStream *>;
         interface Windows.Foundation.AsyncOperationCompletedHandler<Windows.Storage.Streams.IRandomAccessStreamReference *>;
         interface Windows.Foundation.AsyncOperationCompletedHandler<Windows.Storage.Streams.IRandomAccessStreamWithContentType *>;
         interface Windows.Foundation.IAsyncOperation<Windows.Storage.Streams.IBuffer *>;
+        interface Windows.Foundation.IAsyncOperation<Windows.Storage.Streams.IOutputStream *>;
         interface Windows.Foundation.IAsyncOperation<Windows.Storage.Streams.IRandomAccessStream *>;
         interface Windows.Foundation.IAsyncOperation<Windows.Storage.Streams.IRandomAccessStreamReference *>;
         interface Windows.Foundation.IAsyncOperation<Windows.Storage.Streams.IRandomAccessStreamWithContentType *>;
@@ -168,6 +170,19 @@ namespace Windows.Storage.Streams {
             [out, retval] Windows.Storage.Streams.DataWriter **data_writer);
     }

+    [
+        contract(Windows.Foundation.UniversalApiContract, 1.0),
+        uuid(905a0fe6-bc53-11df-8c49-001e4fc686da)
+    ]
+    interface IOutputStream : IInspectable
+        requires Windows.Foundation.IClosable
+    {
+        HRESULT WriteAsync(
+            [in] Windows.Storage.Streams.IBuffer *buffer,
+            [out, retval] Windows.Foundation.IAsyncOperationWithProgress<UINT32, UINT32> **operation);
+        HRESULT FlushAsync([out, retval] Windows.Foundation.IAsyncOperation<boolean> **operation);
+    }
+
     [
         contract(Windows.Foundation.UniversalApiContract, 1.0),
         uuid(905a0fe1-bc53-11df-8c49-001e4fc686da),