Remove redundant IsEmpty checks after calling toV8()

third_party/WebKit/Source/bindings/modules/v8/V8IDBObserverCallback.cpp

Index: third_party/WebKit/Source/bindings/modules/v8/V8IDBObserverCallback.cpp
diff --git a/third_party/WebKit/Source/bindings/modules/v8/V8IDBObserverCallback.cpp b/third_party/WebKit/Source/bindings/modules/v8/V8IDBObserverCallback.cpp
index f1db90243f6c90efc9bf141981e6f1eec311cdd5..32d5a51cf0cd5d72874c123040fc55c50935590d 100644
--- a/third_party/WebKit/Source/bindings/modules/v8/V8IDBObserverCallback.cpp
+++ b/third_party/WebKit/Source/bindings/modules/v8/V8IDBObserverCallback.cpp
@@ -44,9 +44,6 @@ void V8IDBObserverCallback::handleChanges(IDBObserverChanges& changes, IDBObserv
 
     v8::Local<v8::Object> thisObject = v8::Local<v8::Object>::Cast(observerHandle);
     v8::Local<v8::Value> changesHandle = toV8(&changes, m_scriptState->context()->Global(), m_scriptState->isolate());
-    if (changesHandle.IsEmpty())
-        return;
-
     v8::Local<v8::Value> argv[] = { changesHandle };
 
     V8ScriptRunner::callFunction(m_callback.newLocal(m_scriptState->isolate()), m_scriptState->getExecutionContext(), thisObject, WTF_ARRAY_LENGTH(argv), argv, m_scriptState->isolate());