[bindings] Pass v8::Local<v8::Value> by value in NativeValueTraits<T>::nativeValue()

Source/bindings/modules/v8/V8BindingForModules.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 405 matching lines @@
 
 ScriptValue deserializeScriptValue(ScriptState* scriptState, SerializedScriptValue* serializedValue, const Vector<blink::WebBlobInfo>* blobInfo)
 {
     v8::Isolate* isolate = scriptState->isolate();
     v8::HandleScope handleScope(isolate);
     if (serializedValue)
         return ScriptValue(scriptState, serializedValue->deserialize(isolate, 0, blobInfo));
     return ScriptValue(scriptState, v8::Null(isolate));
 }
 
-SQLValue NativeValueTraits<SQLValue>::nativeValue(const v8::Local<v8::Value>& value, v8::Isolate* isolate, ExceptionState& exceptionState)
+SQLValue NativeValueTraits<SQLValue>::nativeValue(v8::Local<v8::Value> value, v8::Isolate* isolate, ExceptionState& exceptionState)
 {
     if (value.IsEmpty() || value->IsNull())
         return SQLValue();
     if (value->IsNumber())
         return SQLValue(value->NumberValue());
     V8StringResource<> stringValue(value);
     if (!stringValue.prepare(exceptionState))
         return SQLValue();
     return SQLValue(stringValue);
 }
 
-IDBKey* NativeValueTraits<IDBKey*>::nativeValue(const v8::Local<v8::Value>& value, v8::Isolate* isolate, ExceptionState& exceptionState)
+IDBKey* NativeValueTraits<IDBKey*>::nativeValue(v8::Local<v8::Value> value, v8::Isolate* isolate, ExceptionState& exceptionState)
 {
     return createIDBKeyFromValue(isolate, value);
 }
 
-IDBKeyRange* NativeValueTraits<IDBKeyRange*>::nativeValue(const v8::Local<v8::Value>& value, v8::Isolate* isolate, ExceptionState& exceptionState)
+IDBKeyRange* NativeValueTraits<IDBKeyRange*>::nativeValue(v8::Local<v8::Value> value, v8::Isolate* isolate, ExceptionState& exceptionState)
 {
     return V8IDBKeyRange::toImplWithTypeCheck(isolate, value);
 }
 
 #if ENABLE(ASSERT)
 void assertPrimaryKeyValidOrInjectable(ScriptState* scriptState, PassRefPtr<SharedBuffer> buffer, const Vector<blink::WebBlobInfo>* blobInfo, IDBKey* key, const IDBKeyPath& keyPath)
 {
     ScriptState::Scope scope(scriptState);
     v8::Isolate* isolate = scriptState->isolate();
     ScriptValue keyValue = ScriptValue::from(scriptState, key);
     ScriptValue scriptValue(scriptState, deserializeIDBValueBuffer(isolate, buffer.get(), blobInfo));
 
     // This assertion is about already persisted data, so allow experimental types.
     const bool allowExperimentalTypes = true;
     IDBKey* expectedKey = createIDBKeyFromScriptValueAndKeyPathInternal(isolate, scriptValue, keyPath, allowExperimentalTypes);
     ASSERT(!expectedKey || expectedKey->isEqual(key));
 
     bool injected = injectV8KeyIntoV8Value(isolate, keyValue.v8Value(), scriptValue.v8Value(), keyPath);
     ASSERT_UNUSED(injected, injected);
 }
 #endif
 
 } // namespace blink