Remove unnecessary ExceptionCode.h inclusion

third_party/WebKit/Source/core/streams/ReadableStream.cpp

 // Copyright 2014 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 "core/streams/ReadableStream.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ScriptFunction.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/V8Binding.h"
 #include "core/dom/DOMException.h"
-#include "core/dom/ExceptionCode.h"
 #include "core/streams/ReadableStreamReader.h"
 #include "core/streams/UnderlyingSource.h"
 
 namespace blink {
 
 namespace {
 
 class ConstUndefined : public ScriptFunction {
 public:
     static v8::Local<v8::Function> create(ScriptState* scriptState)
@@ skipping 160 matching lines @@
 }
 
 DEFINE_TRACE(ReadableStream)
 {
     visitor->trace(m_source);
     visitor->trace(m_exception);
     visitor->trace(m_reader);
 }
 
 } // namespace blink