content: Remove unused speex related code.

content/browser/speech/google_streaming_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_streaming_remote_engine.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/big_endian.h"
@@ skipping 18 matching lines @@
 
 using net::URLFetcher;
 
 namespace content {
 namespace {
 
 const char kWebServiceBaseUrl[] =
     "https://www.google.com/speech-api/full-duplex/v1";
 const char kDownstreamUrl[] = "/down?";
 const char kUpstreamUrl[] = "/up?";
-const AudioEncoder::Codec kDefaultAudioCodec = AudioEncoder::CODEC_FLAC;
 
 // This matches the maximum maxAlternatives value supported by the server.
 const uint32 kMaxMaxAlternatives = 30;
 
 // TODO(hans): Remove this and other logging when we don't need it anymore.
 void DumpResponse(const std::string& response) {
   DVLOG(1) << "------------";
   proto::SpeechRecognitionEvent event;
   if (!event.ParseFromString(response)) {
     DVLOG(1) << "Parse failed!";
@@ skipping 237 matching lines @@
 // ----------- Contract for all the FSM evolution functions below -------------
 //  - Are guaranteed to be executed in the same thread (IO, except for tests);
 //  - Are guaranteed to be not reentrant (themselves and each other);
 //  - event_args members are guaranteed to be stable during the call;
 
 GoogleStreamingRemoteEngine::FSMState
 GoogleStreamingRemoteEngine::ConnectBothStreams(const FSMEventArgs&) {
   DCHECK(!upstream_fetcher_.get());
   DCHECK(!downstream_fetcher_.get());
 
-  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());
   const std::string request_key = GenerateRequestKey();
 
   // Only use the framed post data format when a preamble needs to be logged.
   use_framed_post_data_ = (config_.preamble &&
                            !config_.preamble->sample_data.empty() &&
                            !config_.auth_token.empty() &&
                            !config_.auth_scope.empty());
   if (use_framed_post_data_) {
     preamble_encoder_.reset(AudioEncoder::Create(
-        kDefaultAudioCodec,
         config_.preamble->sample_rate,
         config_.preamble->sample_depth * 8));
   }
 
   // Setup downstream fetcher.
   std::vector<std::string> downstream_args;
   downstream_args.push_back(
       "key=" + net::EscapeQueryParamValue(google_apis::GetAPIKey(), true));
   downstream_args.push_back("pair=" + request_key);
   downstream_args.push_back("output=pb");
@@ skipping 306 matching lines @@
 }
 
 GoogleStreamingRemoteEngine::FSMEventArgs::FSMEventArgs(FSMEvent event_value)
     : event(event_value) {
 }
 
 GoogleStreamingRemoteEngine::FSMEventArgs::~FSMEventArgs() {
 }
 
 }  // namespace content