[InputEvent] Support |sequence<Range> getRanges()| in 'beforeinput'

third_party/WebKit/Source/core/editing/Editor.h

 /*
  * Copyright (C) 2006, 2007, 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 128 matching lines @@
 
         // Returns 0 if this Command is not supported.
         int idForHistogram() const;
     private:
         LocalFrame& frame() const
         {
             DCHECK(m_frame);
             return *m_frame;
         }
 
+        // Returns target ranges for the command, currently only supports delete related commands.
+        // Used by InputEvent.
+        RangeVector* getRanges() const;

[yosin_UTC9, 2016/05/19 05:01:02]

Let's use std::unique_ptr<RangeVector>

[chongz, 2016/05/25 05:38:57]

Done.

+
         const EditorInternalCommand* m_command;
         EditorCommandSource m_source;
         Member<LocalFrame> m_frame;
     };
     Command createCommand(const String& commandName); // Command source is CommandFromMenuOrKeyBinding.
     Command createCommand(const String& commandName, EditorCommandSource);
 
     // |Editor::executeCommand| is implementation of |WebFrame::executeCommand|
     // rather than |Document::execCommand|.
     bool executeCommand(const String&);
@@ skipping 150 matching lines @@
 
 inline bool Editor::markedTextMatchesAreHighlighted() const
 {
     return m_areMarkedTextMatchesHighlighted;
 }
 
 
 } // namespace blink
 
 #endif // Editor_h