[SharedArrayBuffer] Prevent SharedArrayBuffer being used in Web APIs

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

 // Copyright 2016 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/PushSubscriptionOptions.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "core/dom/DOMArrayBuffer.h"
 #include "core/dom/ExceptionCode.h"
 #include "modules/push_messaging/PushSubscriptionOptionsInit.h"
@@ skipping 13 matching lines @@
     ExceptionState& exception_state) {
   unsigned char* input;
   int length;
   // Convert the input array into a string of bytes.
   if (application_server_key.isArrayBuffer()) {
     input = static_cast<unsigned char*>(
         application_server_key.getAsArrayBuffer()->Data());
     length = application_server_key.getAsArrayBuffer()->ByteLength();
   } else if (application_server_key.isArrayBufferView()) {
     input = static_cast<unsigned char*>(
-        application_server_key.getAsArrayBufferView()->buffer()->Data());
-    length =
-        application_server_key.getAsArrayBufferView()->buffer()->ByteLength();
+        application_server_key.getAsArrayBufferView().View()->buffer()->Data());
+    length = application_server_key.getAsArrayBufferView()
+                 .View()
+                 ->buffer()
+                 ->ByteLength();
   } else {
     NOTREACHED();
     return String();
   }
 
   // Check the validity of the sender info. It must either be a 65-byte
   // uncompressed VAPID key, which has the byte 0x04 as the first byte or a
   // numeric sender ID.
   const bool is_vapid = length == 65 && *input == 0x04;
   const bool is_sender_id =
@@ skipping 28 matching lines @@
     : user_visible_only_(options.user_visible_only),
       application_server_key_(
           DOMArrayBuffer::Create(options.application_server_key.Latin1().data(),
                                  options.application_server_key.length())) {}
 
 DEFINE_TRACE(PushSubscriptionOptions) {
   visitor->Trace(application_server_key_);
 }
 
 }  // namespace blink