[Binding] Delete hasInstance() from ArrayBuffer related interfaces

third_party/WebKit/Source/modules/fetch/ReadableStreamDataConsumerHandle.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/fetch/ReadableStreamDataConsumerHandle.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ScopedPersistent.h"
 #include "bindings/core/v8/ScriptFunction.h"
 #include "bindings/core/v8/ScriptState.h"
@@ skipping 36 matching lines @@
             if (!readingContext)
                 return v;
             bool done;
             v8::Local<v8::Value> item = v.v8Value();
             ASSERT(item->IsObject());
             v8::Local<v8::Value> value = v8CallOrCrash(v8UnpackIteratorResult(v.getScriptState(), item.As<v8::Object>(), &done));
             if (done) {
                 readingContext->onReadDone();
                 return v;
             }
-            if (!V8Uint8Array::hasInstance(value, v.isolate())) {
+            if (!value->IsUint8Array()) {
                 readingContext->onRejected();
                 return ScriptValue();
             }
             readingContext->onRead(V8Uint8Array::toImpl(value.As<v8::Object>()));
             return v;
         }
 
     private:
         OnFulfilled(ScriptState* scriptState, PassRefPtr<ReadingContext> context)
             : ScriptFunction(scriptState), m_readingContext(context) {}
@@ skipping 203 matching lines @@
 {
 }
 ReadableStreamDataConsumerHandle::~ReadableStreamDataConsumerHandle() = default;
 
 FetchDataConsumerHandle::Reader* ReadableStreamDataConsumerHandle::obtainReaderInternal(Client* client)
 {
     return new ReadingContext::ReaderImpl(m_readingContext, client);
 }
 
 } // namespace blink