Select elements should clear type-ahead session on blur.

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 246 matching lines @@
     ArrayBuffer serializeObject(SerializedScriptValue obj);
 
     void forceReload(boolean endToEnd);
 
     [TypeChecking=Interface] DOMString getImageSourceURL(Element element);
 
     [TypeChecking=Interface] DOMString selectMenuListText(HTMLSelectElement select);
     [TypeChecking=Interface] boolean isSelectPopupVisible(Node node);
     boolean selectPopupItemStyleIsRtl(Node select, long itemIndex);
     long selectPopupItemStyleFontHeight(Node select, long itemIndex);
+    [TypeChecking=Interface] void resetTypeAheadSession(HTMLSelectElement select);
 
     [RaisesException] ClientRect selectionBounds();
 
     boolean loseSharedGraphicsContext3D();
 
     [RaisesException, TypeChecking=Interface] void forceCompositingUpdate(Document document);
 
     void setZoomFactor(float factor);
 
     [RaisesException, TypeChecking=Interface] void setShouldRevealPassword(Element element, boolean reveal);
@@ skipping 52 matching lines @@
 
     ClientRectList outlineRects(Element element);
     void setCapsLockState(boolean enabled);
 
     // 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();
 };