Remove redundant IsEmpty checks after calling toV8()

third_party/WebKit/Source/bindings/core/v8/V8Binding.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 85 matching lines @@
     exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(expected, provided));
 }
 
 NodeFilter* toNodeFilter(v8::Local<v8::Value> callback, v8::Local<v8::Object> creationContext, ScriptState* scriptState)
 {
     if (callback->IsNull())
         return nullptr;
     NodeFilter* filter = NodeFilter::create();
 
     v8::Local<v8::Value> filterWrapper = toV8(filter, creationContext, scriptState->isolate());
-    if (filterWrapper.IsEmpty())
-        return nullptr;
-
     NodeFilterCondition* condition = V8NodeFilterCondition::create(callback, filterWrapper.As<v8::Object>(), scriptState);
     filter->setCondition(condition);
 
     return filter;
 }
 
 bool toBooleanSlow(v8::Isolate* isolate, v8::Local<v8::Value> value, ExceptionState& exceptionState)
 {
     ASSERT(!value->IsBoolean());
     v8::TryCatch block(isolate);
@@ skipping 836 matching lines @@
     return frame->script().isolate();
 }
 
 v8::Local<v8::Value> freezeV8Object(v8::Local<v8::Value> value, v8::Isolate* isolate)
 {
     value.As<v8::Object>()->SetIntegrityLevel(isolate->GetCurrentContext(), v8::IntegrityLevel::kFrozen).ToChecked();
     return value;
 }
 
 } // namespace blink