Remove Backslash-as-JPY hack

Source/core/editing/TextIterator.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2005 Alexey Proskuryakov.
  *
  * 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
@@ skipping 223 matching lines @@
     , m_startOffset(0)
     , m_endContainer(0)
     , m_endOffset(0)
     , m_positionNode(0)
     , m_textLength(0)
     , m_remainingTextBox(0)
     , m_firstLetterText(0)
     , m_sortedTextBoxesPosition(0)
     , m_emitsCharactersBetweenAllVisiblePositions(behavior & TextIteratorEmitsCharactersBetweenAllVisiblePositions)
     , m_entersTextControls(behavior & TextIteratorEntersTextControls)
-    , m_emitsTextWithoutTranscoding(behavior & TextIteratorEmitsTextsWithoutTranscoding)
     , m_emitsOriginalText(behavior & TextIteratorEmitsOriginalText)
     , m_handledFirstLetter(false)
     , m_ignoresStyleVisibility(behavior & TextIteratorIgnoresStyleVisibility)
     , m_emitsObjectReplacementCharacters(behavior & TextIteratorEmitsObjectReplacementCharacters)
     , m_stopsOnFormControls(behavior & TextIteratorStopsOnFormControls)
     , m_shouldStop(false)
     , m_emitsImageAltText(behavior & TextIteratorEmitsImageAltText)
 {
     if (!r)
         return;
@@ skipping 755 matching lines @@
     m_textLength = 1;
 
     // remember some iteration state
     m_lastTextNodeEndedWithCollapsedSpace = false;
     m_lastCharacter = c;
 }
 
 void TextIterator::emitText(Node* textNode, RenderObject* renderObject, int textStartOffset, int textEndOffset)
 {
     RenderText* renderer = toRenderText(renderObject);
-    m_text = m_emitsOriginalText ? renderer->originalText() : (m_emitsTextWithoutTranscoding ? renderer->textWithoutTranscoding() : renderer->text());
+    m_text = m_emitsOriginalText ? renderer->originalText() : renderer->text();
     ASSERT(!m_text.isEmpty());
     ASSERT(0 <= textStartOffset && textStartOffset < static_cast<int>(m_text.length()));
     ASSERT(0 <= textEndOffset && textEndOffset <= static_cast<int>(m_text.length()));
     ASSERT(textStartOffset <= textEndOffset);
 
     m_positionNode = textNode;
     m_positionOffsetBaseNode = 0;
     m_positionStartOffset = textStartOffset;
     m_positionEndOffset = textEndOffset;
     m_singleCharacterBuffer = 0;
@@ skipping 1311 matching lines @@
     location = TextIterator::rangeLength(testRange.get());
 
     testRange->setEnd(range->endContainer(), range->endOffset(), IGNORE_EXCEPTION);
     ASSERT(testRange->startContainer() == scope);
     length = TextIterator::rangeLength(testRange.get()) - location;
     return true;
 }
 
 // --------
 
-String plainText(const Range* r, TextIteratorBehavior defaultBehavior, bool isDisplayString)
+String plainText(const Range* r, TextIteratorBehavior defaultBehavior)
 {
     // The initial buffer size can be critical for performance: https://bugs.webkit.org/show_bug.cgi?id=81192
     static const unsigned initialCapacity = 1 << 15;
 
     unsigned bufferLength = 0;
     StringBuilder builder;
     builder.reserveCapacity(initialCapacity);
-    TextIteratorBehavior behavior = defaultBehavior;
-    if (!isDisplayString)
-        behavior = static_cast<TextIteratorBehavior>(behavior | TextIteratorEmitsTextsWithoutTranscoding);
 
-    for (TextIterator it(r, behavior); !it.atEnd(); it.advance()) {
+    for (TextIterator it(r, defaultBehavior); !it.atEnd(); it.advance()) {
         it.appendTextToStringBuilder(builder);
         bufferLength += it.length();
     }
 
     if (!bufferLength)
         return emptyString();
 
-    String result = builder.toString();
-
-    if (isDisplayString)
-        r->ownerDocument().displayStringModifiedByEncoding(result);
-
-    return result;
+    return builder.toString();
 }
 
 static PassRefPtr<Range> collapsedToBoundary(const Range* range, bool forward)
 {
     RefPtr<Range> result = range->cloneRange(ASSERT_NO_EXCEPTION);
     result->collapse(!forward, ASSERT_NO_EXCEPTION);
     return result.release();
 }
 
 static size_t findPlainText(CharacterIterator& it, const String& target, FindOptions options, size_t& matchStart)
@@ skipping 56 matching lines @@
         if (!matchLength)
             return collapsedToBoundary(range, !(options & Backwards));
     }
 
     // Then, find the document position of the start and the end of the text.
     CharacterIterator computeRangeIterator(range, TextIteratorEntersTextControls);
     return characterSubrange(computeRangeIterator, matchStart, matchLength);
 }
 
 }