Optimizations to Spellchecking Chunk Generation

third_party/WebKit/Source/core/editing/spellcheck/TextCheckingHelper.cpp

 /*
  * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  *
  * 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 77 matching lines @@
             misspelling.decoration = TextDecorationTypeSpelling;
             misspelling.location = start + wordStart + misspellingLocation;
             misspelling.length = misspellingLength;
             results.append(misspelling);
         }
 
         wordStart = wordEnd;
     }
 }
 
-// TODO(yosin): We should move |expandRangeToSentenceBoundary()| to
-// "SpellChcker.cpp" as static function, since there is only one call site in
-// |SpellChecker::chunkAndMarkAllMisspellingsAndBadGrammar()|.
-EphemeralRange expandRangeToSentenceBoundary(const EphemeralRange& range)
-{
-    ASSERT(range.isNotNull());
-    const VisiblePosition& visibleStart = createVisiblePosition(range.startPosition());
-    ASSERT(visibleStart.isNotNull());
-    const Position& sentenceStart = startOfSentence(visibleStart).deepEquivalent();
-    const VisiblePosition& visibleEnd = createVisiblePosition(range.endPosition());
-    ASSERT(visibleEnd.isNotNull());
-    const Position& sentenceEnd = endOfSentence(visibleEnd).deepEquivalent();
-    return EphemeralRange(sentenceStart.isNull() ? range.startPosition() : sentenceStart, sentenceEnd.isNull() ? range.endPosition() : sentenceEnd);
-}
-
 static EphemeralRange expandToParagraphBoundary(const EphemeralRange& range)
 {
     return EphemeralRange(startOfParagraph(createVisiblePosition(range.startPosition())).deepEquivalent(), endOfParagraph(createVisiblePosition(range.endPosition())).deepEquivalent());
 }
 
 TextCheckingParagraph::TextCheckingParagraph(const EphemeralRange& checkingRange)
     : m_checkingRange(checkingRange)
     , m_checkingStart(-1)
     , m_checkingEnd(-1)
     , m_checkingLength(-1)
@@ skipping 456 matching lines @@
         return false;
 
     const Settings* settings = frame->settings();
     if (!settings)
         return false;
 
     return settings->unifiedTextCheckerEnabled();
 }
 
 }