Fix out-of-memory crashes related to ArrayBuffer allocation

third_party/WebKit/Source/core/testing/Internals.idl

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 86 matching lines @@
     // If the argument is omitted, the top-level document is used.
     boolean hasAutofocusRequest(optional Document document);
     [RaisesException] DOMString[] formControlStateOfHistoryItem();
     [RaisesException] void setFormControlStateOfHistoryItem(sequence<DOMString> values);
     readonly attribute Window pagePopupWindow;
 
     [RaisesException] ClientRect absoluteCaretBounds();
 
     [TypeChecking=Interface] ClientRect boundingBox(Element element);
 
+    void fakeOutOfMemoryForNextArrayBufferAllocation();
+
     [RaisesException, TypeChecking=Interface] unsigned long markerCountForNode(Node node, DOMString markerType);
     [TypeChecking=Interface] unsigned long activeMarkerCountForNode(Node node);
     [RaisesException, TypeChecking=Interface] Range markerRangeForNode(Node node, DOMString markerType, unsigned long index);
     [RaisesException, TypeChecking=Interface] DOMString markerDescriptionForNode(Node node, DOMString markerType, unsigned long index);
     [TypeChecking=Interface] void addTextMatchMarker(Range range, boolean isActive);
     [TypeChecking=Interface] void setMarkersActive(Node node, unsigned long startOffset, unsigned long endOffset, boolean active);
     void setMarkedTextMatchesAreHighlighted(Document document, boolean highlight);
 
     [RaisesException, TypeChecking=Interface] void setFrameViewPosition(Document document, long x, long y);
 
@@ skipping 236 matching lines @@
 
     // Returns whether the scrollbar was able to be shown or hidden; not all platforms
     // support overlay scrollbars.
     bool setScrollbarVisibilityInScrollableArea(Node node, boolean visible);
 
     void forceRestrictIFramePermissions();
     [RaisesException] double monotonicTimeToZeroBasedDocumentTime(double platformTime);
 
     [TypeChecking=Interface] void setMediaElementNetworkState(HTMLMediaElement element, long state);
 };