Remove redundant IsEmpty checks after calling toV8()

third_party/WebKit/Source/bindings/core/v8/V8V0CustomElementLifecycleCallbacks.cpp

Index: third_party/WebKit/Source/bindings/core/v8/V8V0CustomElementLifecycleCallbacks.cpp
diff --git a/third_party/WebKit/Source/bindings/core/v8/V8V0CustomElementLifecycleCallbacks.cpp b/third_party/WebKit/Source/bindings/core/v8/V8V0CustomElementLifecycleCallbacks.cpp
index f63529dd00cd21c51bffec490e8c6bfb6ed9bf03..809cd6a44a16eebe34cda4c7afbdb5f1bcf2fe67 100644
--- a/third_party/WebKit/Source/bindings/core/v8/V8V0CustomElementLifecycleCallbacks.cpp
+++ b/third_party/WebKit/Source/bindings/core/v8/V8V0CustomElementLifecycleCallbacks.cpp
@@ -147,8 +147,6 @@ void V8V0CustomElementLifecycleCallbacks::created(Element* element)
     v8::Isolate* isolate = m_scriptState->isolate();
     v8::Local<v8::Context> context = m_scriptState->context();
     v8::Local<v8::Value> receiverValue = toV8(element, context->Global(), isolate);
-    if (receiverValue.IsEmpty())
-        return;
     v8::Local<v8::Object> receiver = receiverValue.As<v8::Object>();
 
     // Swizzle the prototype of the wrapper.
@@ -191,13 +189,9 @@ void V8V0CustomElementLifecycleCallbacks::attributeChanged(Element* element, con
     v8::Isolate* isolate = m_scriptState->isolate();
     v8::Local<v8::Context> context = m_scriptState->context();
     v8::Local<v8::Value> receiver = toV8(element, context->Global(), isolate);
-    if (receiver.IsEmpty())
-        return;
-
     v8::Local<v8::Function> callback = m_attributeChanged.newLocal(isolate);
     if (callback.IsEmpty())
         return;
-
     v8::Local<v8::Value> argv[] = {
         v8String(isolate, name),
         oldValue.isNull() ? v8::Local<v8::Value>(v8::Null(isolate)) : v8::Local<v8::Value>(v8String(isolate, oldValue)),
@@ -227,9 +221,6 @@ void V8V0CustomElementLifecycleCallbacks::call(const ScopedPersistent<v8::Functi
         return;
 
     v8::Local<v8::Value> receiver = toV8(element, context->Global(), isolate);
-    if (receiver.IsEmpty())
-        return;
-
     v8::TryCatch exceptionCatcher(isolate);
     exceptionCatcher.SetVerbose(true);
     V8ScriptRunner::callFunction(callback, getExecutionContext(), receiver, 0, 0, isolate);