Fix out-of-memory crashes related to ArrayBuffer allocation

third_party/WebKit/Source/web/WebSocketImpl.cpp

Index: third_party/WebKit/Source/web/WebSocketImpl.cpp
diff --git a/third_party/WebKit/Source/web/WebSocketImpl.cpp b/third_party/WebKit/Source/web/WebSocketImpl.cpp
index 9f453f13a1310e4b483d5e26c27698bcec77ed41..39a9a0ff72f8913262fd41578fde73c151c42e40 100644
--- a/third_party/WebKit/Source/web/WebSocketImpl.cpp
+++ b/third_party/WebKit/Source/web/WebSocketImpl.cpp
@@ -172,7 +172,13 @@ void WebSocketImpl::didReceiveBinaryMessage(PassOwnPtr<Vector<char>> payload)
         // FIXME: Handle Blob after supporting WebBlob.
         break;
     case BinaryTypeArrayBuffer:
-        m_client->didReceiveArrayBuffer(WebArrayBuffer(DOMArrayBuffer::create(payload->data(), payload->size())));
+        // FIXME(crbug.com/536816):
+        // Avoid crashing when out of memory by calling createOrNull. Requires
+        // determining appropriate alternate behavior for dealing with allocation
+        // failures. Should the notification be droped? Should we just pass null
+        // data? Should we signal an error somehow?
+        RefPtr<DOMArrayBuffer> buffer = DOMArrayBuffer::deprecatedCreateOrCrash(payload->data(), payload->size());
+        m_client->didReceiveArrayBuffer(WebArrayBuffer(buffer.release()));
         break;
     }
 }