Replace boolean return value SharedBuffer::getAsBytes with DCHECK

third_party/WebKit/Source/core/xmlhttprequest/XMLHttpRequest.cpp

 /*
  *  Copyright (C) 2004, 2006, 2008 Apple Inc. All rights reserved.
  *  Copyright (C) 2005-2007 Alexey Proskuryakov <ap@webkit.org>
  *  Copyright (C) 2007, 2008 Julien Chaffraix <jchaffraix@webkit.org>
  *  Copyright (C) 2008, 2011 Google Inc. All rights reserved.
  *  Copyright (C) 2012 Intel Corporation
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
  *  License as published by the Free Software Foundation; either
@@ skipping 368 matching lines @@
 DOMArrayBuffer* XMLHttpRequest::responseArrayBuffer() {
   DCHECK_EQ(m_responseTypeCode, ResponseTypeArrayBuffer);
 
   if (m_error || m_state != kDone)
     return nullptr;
 
   if (!m_responseArrayBuffer) {
     if (m_binaryResponseBuilder && m_binaryResponseBuilder->size()) {
       DOMArrayBuffer* buffer = DOMArrayBuffer::createUninitialized(
           m_binaryResponseBuilder->size(), 1);
-      if (!m_binaryResponseBuilder->getAsBytes(
-              buffer->data(), static_cast<size_t>(buffer->byteLength()))) {
-        // m_binaryResponseBuilder failed to allocate an ArrayBuffer.
-        // We need to crash the renderer since there's no way defined in
-        // the spec to tell this to the user.
-        CRASH();
-      }
+      m_binaryResponseBuilder->getAsBytes(
+          buffer->data(), static_cast<size_t>(buffer->byteLength()));
       m_responseArrayBuffer = buffer;
       m_binaryResponseBuilder.clear();
     } else {
       m_responseArrayBuffer = DOMArrayBuffer::create(nullptr, 0);
     }
   }
 
   return m_responseArrayBuffer.get();
 }
 
@@ skipping 1445 matching lines @@
   visitor->traceWrappers(m_responseDocument);
   visitor->traceWrappers(m_responseArrayBuffer);
   XMLHttpRequestEventTarget::traceWrappers(visitor);
 }
 
 std::ostream& operator<<(std::ostream& ostream, const XMLHttpRequest* xhr) {
   return ostream << "XMLHttpRequest " << static_cast<const void*>(xhr);
 }
 
 }  // namespace blink