Response construction with a ReadableStream

third_party/WebKit/Source/bindings/core/v8/V8IteratorResultValue.cpp

Index: third_party/WebKit/Source/bindings/core/v8/V8IteratorResultValue.cpp
diff --git a/third_party/WebKit/Source/bindings/core/v8/V8IteratorResultValue.cpp b/third_party/WebKit/Source/bindings/core/v8/V8IteratorResultValue.cpp
index 739e3a075c546e8039e9ae376604ed72ff869d5f..64105f0fef59b2bd6f99d9475a9707dcfcd7c2de 100644
--- a/third_party/WebKit/Source/bindings/core/v8/V8IteratorResultValue.cpp
+++ b/third_party/WebKit/Source/bindings/core/v8/V8IteratorResultValue.cpp
@@ -18,4 +18,17 @@ v8::Local<v8::Object> v8IteratorResultValue(v8::Isolate* isolate, bool done, v8:
     return result;
 }
 
+v8::MaybeLocal<v8::Value> v8IterationItemUnpack(ScriptState* scriptState, v8::Local<v8::Object> item, bool* done)
+{
+    v8::MaybeLocal<v8::Value> maybeValue = item->Get(scriptState->context(), v8String(scriptState->isolate(), "value"));
+    if (maybeValue.IsEmpty())
+        return maybeValue;
+    v8::Local<v8::Value> doneValue;
+    if (!v8Call(item->Get(scriptState->context(), v8String(scriptState->isolate(), "done")), doneValue)
+        || !v8Call(doneValue->BooleanValue(scriptState->context()), *done)) {
+        return v8::MaybeLocal<v8::Value>();
+    }
+    return maybeValue;
+}
+
 } // namespace blink