Expand TextCheckingParagraph::OffsetTo() into SelectionController::MarkAndReplaceFor()

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

Index: third_party/WebKit/Source/core/editing/spellcheck/TextCheckingParagraph.cpp
diff --git a/third_party/WebKit/Source/core/editing/spellcheck/TextCheckingParagraph.cpp b/third_party/WebKit/Source/core/editing/spellcheck/TextCheckingParagraph.cpp
index 6f8f18d3d88c5fd7d0b911fe98728426c24e8f12..b9aeb06ced4a1f483c696b37e150354143c7a1be 100644
--- a/third_party/WebKit/Source/core/editing/spellcheck/TextCheckingParagraph.cpp
+++ b/third_party/WebKit/Source/core/editing/spellcheck/TextCheckingParagraph.cpp
@@ -99,11 +99,6 @@ EphemeralRange TextCheckingParagraph::Subrange(int character_offset,
                                     character_count);
 }
 
-int TextCheckingParagraph::OffsetTo(const Position& position) const {
-  DCHECK(checking_range_.IsNotNull());
-  return TextIterator::RangeLength(OffsetAsRange().StartPosition(), position);
-}
-
 bool TextCheckingParagraph::IsEmpty() const {
   // Both predicates should have same result, but we check both just to be sure.
   // We need to investigate to remove this redundancy.