Remove redundant IsEmpty checks after calling toV8()

third_party/WebKit/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 95 matching lines @@
         // Experimental feature: binary keys
         // https://w3c.github.io/IndexedDB/#steps-to-convert-a-key-to-a-value
         return toV8(DOMArrayBuffer::create(reinterpret_cast<const unsigned char*>(key->binary()->data()), key->binary()->size()), creationContext, isolate);
     case IDBKey::DateType:
         return v8::Date::New(context, key->date()).ToLocalChecked();
     case IDBKey::ArrayType:
         {
             v8::Local<v8::Array> array = v8::Array::New(isolate, key->array().size());
             for (size_t i = 0; i < key->array().size(); ++i) {
                 v8::Local<v8::Value> value = toV8(key->array()[i].get(), creationContext, isolate);
-                if (value.IsEmpty())
-                    value = v8::Undefined(isolate);
                 if (!v8CallBoolean(array->CreateDataProperty(context, i, value)))
                     return v8Undefined();
             }
             return array;
         }
     }
 
     ASSERT_NOT_REACHED();
     return v8Undefined();
 }
@@ skipping 202 matching lines @@
 // Deserialize the entire IDBValue (injecting key & keypath if present).
 static v8::Local<v8::Value> deserializeIDBValue(v8::Isolate* isolate, v8::Local<v8::Object> creationContext, const IDBValue* value)
 {
     ASSERT(isolate->InContext());
     if (!value || value->isNull())
         return v8::Null(isolate);
 
     v8::Local<v8::Value> v8Value = deserializeIDBValueData(isolate, value);
     if (value->primaryKey()) {
         v8::Local<v8::Value> key = toV8(value->primaryKey(), creationContext, isolate);
-        if (key.IsEmpty())
-            return v8::Local<v8::Value>();
         bool injected = injectV8KeyIntoV8Value(isolate, key, v8Value, value->keyPath());
         ASSERT_UNUSED(injected, injected);
     }
 
     return v8Value;
 }
 
 static v8::Local<v8::Value> deserializeIDBValueArray(v8::Isolate* isolate, v8::Local<v8::Object> creationContext, const Vector<RefPtr<IDBValue>>* values)
 {
     ASSERT(isolate->InContext());
@@ skipping 222 matching lines @@
             V8ServiceWorkerGlobalScope::installForeignFetch(scriptState, global);
         }
     }
 }
 
 void registerInstallOriginTrialsForModules()
 {
     s_originalInstallOriginTrialsFunction = setInstallOriginTrialsFunction(&installOriginTrialsForModules);
 }
 } // namespace blink