Expose SerializedScriptValue data through a non-copying view.

third_party/WebKit/Source/core/testing/Internals.cpp

Index: third_party/WebKit/Source/core/testing/Internals.cpp
diff --git a/third_party/WebKit/Source/core/testing/Internals.cpp b/third_party/WebKit/Source/core/testing/Internals.cpp
index f8a6d3f97169e1c569da332dcb97d4948e2171d8..89b30e57fa6da30194f3ef4c32bef7fdeb163b30 100644
--- a/third_party/WebKit/Source/core/testing/Internals.cpp
+++ b/third_party/WebKit/Source/core/testing/Internals.cpp
@@ -2676,13 +2676,12 @@ bool Internals::cursorUpdatePending() const {
 
 DOMArrayBuffer* Internals::serializeObject(
     PassRefPtr<SerializedScriptValue> value) const {
-  String string_value = value->ToWireString();
-  DOMArrayBuffer* buffer = DOMArrayBuffer::CreateUninitializedOrNull(
-      string_value.length(), sizeof(UChar));
-  if (buffer) {
-    string_value.CopyTo(static_cast<UChar*>(buffer->Data()), 0,
-                        string_value.length());
-  }
+  StringView view = value->GetWireData();
+  DCHECK(view.Is8Bit());
+  DOMArrayBuffer* buffer =
+      DOMArrayBuffer::CreateUninitializedOrNull(view.length(), sizeof(LChar));
+  if (buffer)
+    memcpy(buffer->Data(), view.Characters8(), view.length());
   return buffer;
 }