[EditCommandSource] Pass source through |CompositeEditCommand| ctor instead of |apply(source)|

third_party/WebKit/Source/core/editing/commands/ApplyStyleCommand.cpp

 /*
  * Copyright (C) 2005, 2006, 2008, 2009 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.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 107 matching lines @@
   if (anchorNode->isCharacterDataNode())
     return offset < anchorNode->maxCharacterOffset();
   int currentOffset = 0;
   for (Node* node = NodeTraversal::firstChild(*anchorNode);
        node && currentOffset < offset; node = NodeTraversal::nextSibling(*node))
     currentOffset++;
   return offset < currentOffset;
 }
 
 ApplyStyleCommand::ApplyStyleCommand(Document& document,
+                                     EditCommandSource source,
                                      const EditingStyle* style,
                                      InputEvent::InputType inputType,
                                      EPropertyLevel propertyLevel)
-    : CompositeEditCommand(document),
+    : CompositeEditCommand(document, source),
       m_style(style->copy()),
       m_inputType(inputType),
       m_propertyLevel(propertyLevel),
       m_start(mostForwardCaretPosition(endingSelection().start())),
       m_end(mostBackwardCaretPosition(endingSelection().end())),
       m_useEndingSelection(true),
       m_styledInlineElement(nullptr),
       m_removeOnly(false),
       m_isInlineElementToRemoveFunction(0) {}
 
@@ skipping 1887 matching lines @@
 
 DEFINE_TRACE(ApplyStyleCommand) {
   visitor->trace(m_style);
   visitor->trace(m_start);
   visitor->trace(m_end);
   visitor->trace(m_styledInlineElement);
   CompositeEditCommand::trace(visitor);
 }
 
 }  // namespace blink