Correct const accessors in base/values.(h|cc), Part II (ListValue)

content/browser/speech/google_one_shot_remote_engine.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 "content/browser/speech/google_one_shot_remote_engine.h"
 
 #include <vector>
 
 #include "base/json/json_reader.h"
 #include "base/string_number_conversions.h"
@@ skipping 92 matching lines @@
     return false;
   }
 
   const ListValue* hypotheses_list =
       static_cast<const ListValue*>(hypotheses_value);
 
   // For now we support only single shot recognition, so we are giving only a
   // final result, consisting of one fragment (with one or more hypotheses).
   size_t index = 0;
   for (; index < hypotheses_list->GetSize(); ++index) {
-    Value* hypothesis = NULL;
+    const Value* hypothesis = NULL;
     if (!hypotheses_list->Get(index, &hypothesis)) {
       LOG(WARNING) << "ParseServerResponse: Unable to read hypothesis value.";
       break;
     }
     DCHECK(hypothesis);
     if (!hypothesis->IsType(Value::TYPE_DICTIONARY)) {
       LOG(WARNING) << "ParseServerResponse: Unexpected value type "
                    << hypothesis->GetType();
       break;
     }
 
     const DictionaryValue* hypothesis_value =
-        static_cast<DictionaryValue*>(hypothesis);
+        static_cast<const DictionaryValue*>(hypothesis);
     string16 utterance;
 
     if (!hypothesis_value->GetString(kUtteranceString, &utterance)) {
       LOG(WARNING) << "ParseServerResponse: Missing utterance value.";
       break;
     }
 
     // It is not an error if the 'confidence' field is missing.
     double confidence = 0.0;
     hypothesis_value->GetDouble(kConfidenceString, &confidence);
@@ skipping 146 matching lines @@
 
 bool GoogleOneShotRemoteEngine::IsRecognitionPending() const {
   return url_fetcher_ != NULL;
 }
 
 int GoogleOneShotRemoteEngine::GetDesiredAudioChunkDurationMs() const {
   return kAudioPacketIntervalMs;
 }
 
 }  // namespace speech