[SharedArrayBuffer] Prevent SharedArrayBuffer being used in Web APIs

third_party/WebKit/Source/modules/encoding/TextEncoder.cpp

Index: third_party/WebKit/Source/modules/encoding/TextEncoder.cpp
diff --git a/third_party/WebKit/Source/modules/encoding/TextEncoder.cpp b/third_party/WebKit/Source/modules/encoding/TextEncoder.cpp
index efc2f497cb5d1f7200dec823f6ec9dc605923cfe..1abc09709fb624f689ccba28adf0fbd410fbf08f 100644
--- a/third_party/WebKit/Source/modules/encoding/TextEncoder.cpp
+++ b/third_party/WebKit/Source/modules/encoding/TextEncoder.cpp
@@ -58,7 +58,7 @@ String TextEncoder::encoding() const {
   return name;
 }
 
-DOMUint8Array* TextEncoder::encode(const String& input) {
+NotShared<DOMUint8Array> TextEncoder::encode(const String& input) {
   CString result;
   if (input.is8Bit())
     result = m_codec->encode(input.characters8(), input.length(),
@@ -71,7 +71,8 @@ DOMUint8Array* TextEncoder::encode(const String& input) {
   const unsigned char* unsignedBuffer =
       reinterpret_cast<const unsigned char*>(buffer);
 
-  return DOMUint8Array::create(unsignedBuffer, result.length());
+  return NotShared<DOMUint8Array>(
+      DOMUint8Array::create(unsignedBuffer, result.length()));
 }
 
 }  // namespace blink