content: Remove unused speex related code.

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/strings/string_number_conversions.h"
@@ skipping 16 matching lines @@
 
 const char* const kDefaultSpeechRecognitionUrl =
     "https://www.google.com/speech-api/v1/recognize?xjerr=1&client=chromium&";
 const char* const kStatusString = "status";
 const char* const kHypothesesString = "hypotheses";
 const char* const kUtteranceString = "utterance";
 const char* const kConfidenceString = "confidence";
 const int kWebServiceStatusNoError = 0;
 const int kWebServiceStatusNoSpeech = 4;
 const int kWebServiceStatusNoMatch = 5;
-const AudioEncoder::Codec kDefaultAudioCodec = AudioEncoder::CODEC_FLAC;
 
 bool ParseServerResponse(const std::string& response_body,
                          SpeechRecognitionResult* result,
                          SpeechRecognitionError* error) {
   if (response_body.empty()) {
     LOG(WARNING) << "ParseServerResponse: Response was empty.";
     return false;
   }
   DVLOG(1) << "ParseServerResponse: Parsing response " << response_body;
 
@@ skipping 153 matching lines @@
                                                         true));
   parts.push_back("maxresults=" + base::UintToString(config_.max_hypotheses));
   parts.push_back(config_.filter_profanities ? "pfilter=2" : "pfilter=0");
 
   std::string api_key = google_apis::GetAPIKey();
   parts.push_back("key=" + net::EscapeQueryParamValue(api_key, true));
 
   GURL url(std::string(kDefaultSpeechRecognitionUrl) +
            base::JoinString(parts, "&"));
 
-  encoder_.reset(AudioEncoder::Create(kDefaultAudioCodec,
-                                      config_.audio_sample_rate,
+  encoder_.reset(AudioEncoder::Create(config_.audio_sample_rate,
                                       config_.audio_num_bits_per_sample));
   DCHECK(encoder_.get());
   url_fetcher_ = net::URLFetcher::Create(url_fetcher_id_for_tests, url,
                                          net::URLFetcher::POST, this);
   url_fetcher_->SetChunkedUpload(encoder_->mime_type());
   url_fetcher_->SetRequestContext(url_context_.get());
   url_fetcher_->SetReferrer(config_.origin_url);
 
   // The speech recognition API does not require user identification as part
   // of requests, so we don't send cookies or auth data for these requests to
@@ skipping 65 matching lines @@
 
 bool GoogleOneShotRemoteEngine::IsRecognitionPending() const {
   return url_fetcher_ != NULL;
 }
 
 int GoogleOneShotRemoteEngine::GetDesiredAudioChunkDurationMs() const {
   return kAudioPacketIntervalMs;
 }
 
 }  // namespace content