Remove methods of TextIterator that take Range objects

Source/web/WebLocalFrameImpl.cpp

Index: Source/web/WebLocalFrameImpl.cpp
diff --git a/Source/web/WebLocalFrameImpl.cpp b/Source/web/WebLocalFrameImpl.cpp
index eaafbdf24dbab7c79646431afacc5346749585ae..6e3219b1147302652007e548b9c9b4bf59bec3bc 100644
--- a/Source/web/WebLocalFrameImpl.cpp
+++ b/Source/web/WebLocalFrameImpl.cpp
@@ -250,7 +250,7 @@ static void frameContentAsPlainText(size_t maxChars, LocalFrame* frame, StringBu
         // the plainText() function in core/editing/TextIterator.h, but we implement the maximum
         // size and also copy the results directly into a wstring, avoiding the
         // string conversion.
-        for (TextIterator it(range.get()); !it.atEnd(); it.advance()) {
+        for (TextIterator it(range->startPosition(), range->endPosition()); !it.atEnd(); it.advance()) {
             it.appendTextToStringBuilder(output, 0, maxChars - output.length());
             if (output.length() >= maxChars)
                 return; // Filled up the buffer.