Remove dead code in spell checker

chrome/renderer/spellchecker/spellcheck_provider.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/renderer/spellchecker/spellcheck_provider.h"
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/renderer/spellchecker/spellcheck.h"
@@ skipping 126 matching lines @@
     *optional_suggestions = suggestions;
     UMA_HISTOGRAM_COUNTS("SpellCheck.api.check.suggestions", word.size());
   } else {
     UMA_HISTOGRAM_COUNTS("SpellCheck.api.check", word.size());
     // If optional_suggestions is not requested, the API is called
     // for marking.  So we use this for counting markable words.
     Send(new SpellCheckHostMsg_NotifyChecked(routing_id(), word, 0 < length));
   }
 }
 
-void SpellCheckProvider::checkTextOfParagraph(
-    const blink::WebString& text,
-    blink::WebTextCheckingTypeMask mask,
-    blink::WebVector<blink::WebTextCheckingResult>* results) {
-  if (!results)
-    return;
-
-  if (!(mask & blink::WebTextCheckingTypeSpelling))
-    return;
-
-  // TODO(groby): As far as I can tell, this method is never invoked.
-  // UMA results seem to support that. Investigate, clean up if true.
-  NOTREACHED();
-  spellcheck_->SpellCheckParagraph(text, results);
-  UMA_HISTOGRAM_COUNTS("SpellCheck.api.paragraph", text.length());
-}
-
 void SpellCheckProvider::requestCheckingOfText(
     const WebString& text,
     const WebVector<uint32_t>& markers,
     const WebVector<unsigned>& marker_offsets,
     WebTextCheckingCompletion* completion) {
   std::vector<SpellCheckMarker> spellcheck_markers;
   for (size_t i = 0; i < markers.size(); ++i) {
     spellcheck_markers.push_back(
         SpellCheckMarker(markers[i], marker_offsets[i]));
   }
@@ skipping 177 matching lines @@
       return true;
     }
   }
 
   return false;
 }
 
 void SpellCheckProvider::OnDestruct() {
   delete this;
 }