wtf: Implement StringView specialization of string concatenation.

third_party/WebKit/Source/bindings/core/v8/serialization/V8ScriptValueSerializer.cpp

Index: third_party/WebKit/Source/bindings/core/v8/serialization/V8ScriptValueSerializer.cpp
diff --git a/third_party/WebKit/Source/bindings/core/v8/serialization/V8ScriptValueSerializer.cpp b/third_party/WebKit/Source/bindings/core/v8/serialization/V8ScriptValueSerializer.cpp
index f3ef4295bdb43861660f146f63522a91d23c3245..50f228a5fb6b6fd6fc6b8590b0e7c103e8b25c4b 100644
--- a/third_party/WebKit/Source/bindings/core/v8/serialization/V8ScriptValueSerializer.cpp
+++ b/third_party/WebKit/Source/bindings/core/v8/serialization/V8ScriptValueSerializer.cpp
@@ -130,7 +130,7 @@ v8::Maybe<bool> V8ScriptValueSerializer::WriteHostObject(v8::Isolate* isolate, v
         return v8::Just(true);
     }
     if (!exceptionState.hadException()) {
-        String interface = wrappable->wrapperTypeInfo()->interfaceName;
+        StringView interface = wrappable->wrapperTypeInfo()->interfaceName;
         exceptionState.throwDOMException(DataCloneError, interface + " object could not be cloned.");
     }
     return v8::Nothing<bool>();