Optimizations to Spellchecking Chunk Generation

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

Index: third_party/WebKit/Source/core/editing/spellcheck/TextCheckingHelper.cpp
diff --git a/third_party/WebKit/Source/core/editing/spellcheck/TextCheckingHelper.cpp b/third_party/WebKit/Source/core/editing/spellcheck/TextCheckingHelper.cpp
index 719b31ae545f90102418a2dc5782e7bd34da70b9..a992fd284584bfb214849d37cbd1ac5cb9aa8a48 100644
--- a/third_party/WebKit/Source/core/editing/spellcheck/TextCheckingHelper.cpp
+++ b/third_party/WebKit/Source/core/editing/spellcheck/TextCheckingHelper.cpp
@@ -95,21 +95,6 @@ static void findMisspellings(TextCheckerClient& client, const UChar* text, int s
     }
 }
 
-// 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());