Disable memory cache for ArrayBuffer XHRs

third_party/WebKit/Source/core/xmlhttprequest/XMLHttpRequest.cpp

Index: third_party/WebKit/Source/core/xmlhttprequest/XMLHttpRequest.cpp
diff --git a/third_party/WebKit/Source/core/xmlhttprequest/XMLHttpRequest.cpp b/third_party/WebKit/Source/core/xmlhttprequest/XMLHttpRequest.cpp
index dbe4f19fddce269a3b6051c85df6b6d74759b7e8..d6d39f30698d4795251162561e4bcf5cf8577788 100644
--- a/third_party/WebKit/Source/core/xmlhttprequest/XMLHttpRequest.cpp
+++ b/third_party/WebKit/Source/core/xmlhttprequest/XMLHttpRequest.cpp
@@ -1040,6 +1040,10 @@ void XMLHttpRequest::createRequest(PassRefPtr<EncodedFormData> httpBody,
     resourceLoaderOptions.dataBufferingPolicy = DoNotBufferData;
   }
 
+  if (getResponseTypeCode() == ResponseTypeArrayBuffer) {
+    resourceLoaderOptions.dataBufferingPolicy = DoNotBufferData;
+  }
+
   m_exceptionCode = 0;
   m_error = false;