[SharedArrayBuffer] Throw DataClone error if SharedArrayBuffer can't be sent

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

Index: third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.cpp
diff --git a/third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.cpp b/third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.cpp
index 8efc23cd4283067ed3ef31ede6ae472dd36ef848..0d6e8860e7ce77ffb7a1de7f6aee35bf04f430b4 100644
--- a/third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.cpp
+++ b/third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.cpp
@@ -30,6 +30,7 @@
 
 #include "bindings/core/v8/SerializedScriptValue.h"
 
+#include <algorithm>
 #include <memory>
 #include "bindings/core/v8/DOMDataStore.h"
 #include "bindings/core/v8/DOMWrapperWorld.h"
@@ -363,6 +364,21 @@ bool SerializedScriptValue::ExtractTransferables(
   return true;
 }
 
+ArrayBufferArray SerializedScriptValue::ExtractNonSharedArrayBuffers(
+    Transferables& transferables) {
+  ArrayBufferArray& array_buffers = transferables.array_buffers;
+  ArrayBufferArray result;
+  auto non_shared_begin =
+      std::partition(array_buffers.begin(), array_buffers.end(),
+                     [](Member<DOMArrayBufferBase>& array_buffer) {
+                       return array_buffer->IsShared();
+                     });
+  result.AppendRange(non_shared_begin, array_buffers.end());
+  array_buffers.erase(non_shared_begin - array_buffers.begin(),
+                      array_buffers.end() - non_shared_begin);
+  return result;
+}
+
 std::unique_ptr<SerializedScriptValue::ArrayBufferContentsArray>
 SerializedScriptValue::TransferArrayBufferContents(
     v8::Isolate* isolate,