Remove alt text from images.

sky/engine/core/editing/TextIterator.h

 /*
  * Copyright (C) 2004, 2006, 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 23 matching lines @@
 namespace blink {
 
 class InlineTextBox;
 class RenderText;
 
 enum TextIteratorBehavior {
     TextIteratorDefaultBehavior = 0,
     TextIteratorEmitsCharactersBetweenAllVisiblePositions = 1 << 0,
     TextIteratorIgnoresStyleVisibility = 1 << 2,
     TextIteratorEmitsOriginalText = 1 << 3,
-    TextIteratorEmitsImageAltText = 1 << 5,
-    TextIteratorEntersAuthorShadowRoots = 1 << 6,
-    TextIteratorEmitsObjectReplacementCharacter = 1 << 7
+    TextIteratorEntersAuthorShadowRoots = 1 << 5,
+    TextIteratorEmitsObjectReplacementCharacter = 1 << 6
 };
 typedef unsigned TextIteratorBehaviorFlags;
 
 String plainText(const Range*, TextIteratorBehaviorFlags = TextIteratorDefaultBehavior);
 PassRefPtr<Range> findPlainText(const Range*, const String&, FindOptions);
 void findPlainText(const Position& inputStart, const Position& inputEnd, const String&, FindOptions, Position& resultStart, Position& resultEnd);
 
 class BitStack {
 public:
     BitStack();
@@ skipping 132 matching lines @@
     // FIXME <rdar://problem/6028818>: This functionality should eventually be phased out when we rewrite
     // moveParagraphs to not clone/destroy moved content.
     bool m_emitsCharactersBetweenAllVisiblePositions;
 
     // Used in pasting inside password field.
     bool m_emitsOriginalText;
 
     // Used when the visibility of the style should not affect text gathering.
     bool m_ignoresStyleVisibility;
 
-    bool m_emitsImageAltText;
-
     bool m_entersAuthorShadowRoots;
 
     bool m_emitsObjectReplacementCharacter;
 };
 
 // Iterates through the DOM range, returning all the text, and 0-length boundaries
 // at points where replaced elements break up the text flow. The text comes back in
 // chunks so as to optimize for performance of the iteration.
 class SimplifiedBackwardsTextIterator {
     STACK_ALLOCATED();
@@ skipping 133 matching lines @@
     Vector<UChar> m_buffer;
     // Did we have to look ahead in the textIterator to confirm the current chunk?
     bool m_didLookAhead;
     RefPtr<Range> m_range;
     TextIterator m_textIterator;
 };
 
 }
 
 #endif