[SharedArrayBuffer] Prevent SharedArrayBuffer being used in Web APIs

third_party/WebKit/Source/modules/push_messaging/PushMessageData.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/push_messaging/PushMessageData.h"
 
 #include <memory>
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ScriptState.h"
@@ skipping 14 matching lines @@
   // be set in the PushEvent.
   if (message_string.IsNull())
     return nullptr;
   return PushMessageData::Create(
       ArrayBufferOrArrayBufferViewOrUSVString::fromUSVString(message_string));
 }
 
 PushMessageData* PushMessageData::Create(
     const ArrayBufferOrArrayBufferViewOrUSVString& message_data) {
   if (message_data.isArrayBuffer() || message_data.isArrayBufferView()) {
-    DOMArrayBuffer* buffer = message_data.isArrayBufferView()
-                                 ? message_data.getAsArrayBufferView()->buffer()
-                                 : message_data.getAsArrayBuffer();
+    DOMArrayBuffer* buffer =
+        message_data.isArrayBufferView()
+            ? message_data.getAsArrayBufferView().View()->buffer()
+            : message_data.getAsArrayBuffer();
 
     return new PushMessageData(static_cast<const char*>(buffer->Data()),
                                buffer->ByteLength());
   }
 
   if (message_data.isUSVString()) {
     CString encoded_string = UTF8Encoding().Encode(
         message_data.getAsUSVString(), WTF::kEntitiesForUnencodables);
     return new PushMessageData(encoded_string.Data(), encoded_string.length());
   }
@@ skipping 35 matching lines @@
   return ScriptValue(script_state, parsed);
 }
 
 String PushMessageData::text() const {
   return UTF8Encoding().Decode(data_.Data(), data_.size());
 }
 
 DEFINE_TRACE(PushMessageData) {}
 
 }  // namespace blink