Remove the :-webkit-full-screen-document pseudo class

Source/core/css/parser/CSSSelectorParser.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 "config.h"
 #include "core/css/parser/CSSSelectorParser.h"
 
 #include "core/css/CSSSelectorList.h"
 #include "core/css/StyleSheetContents.h"
 #include "core/frame/UseCounter.h"
@@ skipping 15 matching lines @@
                 break;
             case CSSSelector::PseudoContent:
                 feature = UseCounter::CSSSelectorPseudoContent;
                 break;
             case CSSSelector::PseudoHost:
                 feature = UseCounter::CSSSelectorPseudoHost;
                 break;
             case CSSSelector::PseudoHostContext:
                 feature = UseCounter::CSSSelectorPseudoHostContext;
                 break;
-            case CSSSelector::PseudoFullScreenDocument:
-                feature = UseCounter::CSSSelectorPseudoFullScreenDocument;
-                break;
             case CSSSelector::PseudoFullScreenAncestor:
                 feature = UseCounter::CSSSelectorPseudoFullScreenAncestor;
                 break;
             case CSSSelector::PseudoFullScreen:
                 feature = UseCounter::CSSSelectorPseudoFullScreen;
                 break;
             default:
                 break;
             }
             if (feature != UseCounter::NumberOfFeatures)
@@ skipping 608 matching lines @@
         compoundSelector->insertTagHistory(CSSSelector::SubSelector, simpleSelector, relation);
         return compoundSelector;
     }
 
     // All other simple selectors are added to the end of the compound.
     compoundSelector->appendTagHistory(CSSSelector::SubSelector, simpleSelector);
     return compoundSelector;
 }
 
 } // namespace blink