[wasm] enable wasm structured cloning in specific cases

third_party/WebKit/Source/modules/indexeddb/IDBObjectStore.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 390 matching lines @@
     exceptionState.throwDOMException(
         ReadOnlyError, IDBDatabase::transactionReadOnlyErrorMessage);
     return nullptr;
   }
 
   v8::Isolate* isolate = scriptState->isolate();
   DCHECK(isolate->InContext());
   Vector<WebBlobInfo> blobInfo;
   SerializedScriptValue::SerializeOptions options;
   options.blobInfo = &blobInfo;
+  options.writeWasmToStream =
+      scriptState->getExecutionContext()->isSecureContext();
   RefPtr<SerializedScriptValue> serializedValue =
       SerializedScriptValue::serialize(isolate, value.v8Value(), options,
                                        exceptionState);
   if (exceptionState.hadException())
     return nullptr;
 
   // Keys that need to be extracted must be taken from a clone so that
   // side effects (i.e. getters) are not triggered. Construct the
   // clone lazily since the operation may be expensive.
   ScriptValue clone;
@@ skipping 689 matching lines @@
     }
   }
   return IDBIndexMetadata::InvalidId;
 }
 
 WebIDBDatabase* IDBObjectStore::backendDB() const {
   return m_transaction->backendDB();
 }
 
 }  // namespace blink