[EditCommandSource] Rename and move |EditorCommandSource| to "CompositeEditCommand.h" (1/3)

third_party/WebKit/Source/core/editing/commands/CompositeEditCommand.h

 /*
  * Copyright (C) 2005, 2006, 2008 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 24 matching lines @@
 
 namespace blink {
 
 class EditingStyle;
 class Element;
 class HTMLBRElement;
 class HTMLElement;
 class HTMLSpanElement;
 class Text;
 
+enum class CommandSource { MenuOrKeyBinding, Dom };

[Xiaocheng, 2016/12/15 02:24:57]

Please rename them as kMenuOrKeyBinding and kDOM.

The blink naming convention requires kCamelCase for enum class members:

https://www.chromium.org/blink/coding-style#TOC-Names

Besides, it seems that all appearances of DOM in blink code base is either 'dom'
or 'DOM'. Let's follow that.

[chongz, 2016/12/15 23:53:11]

Done.

+
 class EditCommandComposition final : public UndoStep {
  public:
   static EditCommandComposition* create(Document*,
                                         const VisibleSelection&,
                                         const VisibleSelection&,
                                         InputEvent::InputType);
 
   bool belongsTo(const LocalFrame&) const override;
   void unapply() override;
   void reapply() override;
@@ skipping 215 matching lines @@
 
 DEFINE_TYPE_CASTS(CompositeEditCommand,
                   EditCommand,
                   command,
                   command->isCompositeEditCommand(),
                   command.isCompositeEditCommand());
 
 }  // namespace blink
 
 #endif  // CompositeEditCommand_h