Move Document::execCommand() and queryCommand*() to "DocumentExecCommand.cpp"

third_party/WebKit/Source/core/dom/Document.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All
  * rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
@@ skipping 885 matching lines @@
   // |rootStyle| is set, use that as the style for the root element, rather than
   // obtaining it on our own. The reason for this is that style may not have
   // been associated with the elements yet - in which case it may have been
   // calculated on the fly (without associating it with the actual element)
   // somewhere.
   Element* viewportDefiningElement(
       const ComputedStyle* rootStyle = nullptr) const;
 
   DocumentMarkerController& markers() const { return *m_markers; }
 
+  // Support for Javascript execCommand, and related methods
+  // See "core/editing/commands/DocumentExecCommand.cpp" for implementations.
   bool execCommand(const String& command,
                    bool showUI,
                    const String& value,
                    ExceptionState&);
   bool isRunningExecCommand() const { return m_isRunningExecCommand; }
   bool queryCommandEnabled(const String& command, ExceptionState&);
   bool queryCommandIndeterm(const String& command, ExceptionState&);
   bool queryCommandState(const String& command, ExceptionState&);
   bool queryCommandSupported(const String& command, ExceptionState&);
   String queryCommandValue(const String& command, ExceptionState&);
@@ skipping 802 matching lines @@
 DEFINE_TYPE_CASTS(TreeScope, Document, document, true, true);
 
 }  // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 CORE_EXPORT void showLiveDocumentInstances();
 #endif
 
 #endif  // Document_h