Implement media cast buttons

Source/core/css/CSSSelector.cpp

 /*
  * Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org)
  *               1999 Waldo Bastian (bastian@kde.org)
  *               2001 Andreas Schlapbach (schlpbch@iam.unibe.ch)
  *               2001-2003 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2002, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2008 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 262 matching lines @@
 // offset into a string buffer and making the bit fields smaller but
 // that could not be maintained by hand.
 struct NameToPseudoStruct {
     const char* string;
     unsigned type:8;
 };
 
 // This table should be kept sorted.
 const static NameToPseudoStruct pseudoTypeMap[] = {
 {"-internal-list-box",            CSSSelector::PseudoListBox},
+{"-internal-media-controls-cast-button", CSSSelector::PseudoWebKitCustomElement},
+{"-internal-media-controls-overlay-cast-button", CSSSelector::PseudoWebKitCustomElement},
 {"-internal-spatial-navigation-focus", CSSSelector::PseudoSpatialNavigationFocus},
 {"-webkit-any(",                  CSSSelector::PseudoAny},
 {"-webkit-any-link",              CSSSelector::PseudoAnyLink},
 {"-webkit-autofill",              CSSSelector::PseudoAutofill},
 {"-webkit-drag",                  CSSSelector::PseudoDrag},
 {"-webkit-full-page-media",       CSSSelector::PseudoFullPageMedia},
 {"-webkit-full-screen",           CSSSelector::PseudoFullScreen},
 {"-webkit-full-screen-ancestor",  CSSSelector::PseudoFullScreenAncestor},
 {"-webkit-full-screen-document",  CSSSelector::PseudoFullScreenDocument},
 {"-webkit-resizer",               CSSSelector::PseudoResizer},
@@ skipping 606 matching lines @@
         if (count < nthBValue())
             return false;
         return (count - nthBValue()) % nthAValue() == 0;
     }
     if (count > nthBValue())
         return false;
     return (nthBValue() - count) % (-nthAValue()) == 0;
 }
 
 } // namespace blink