Use Google API key for one-shot speech recognition

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"
 #include "base/string_util.h"
 #include "base/values.h"
 #include "content/browser/speech/audio_buffer.h"
 #include "content/public/common/speech_recognition_error.h"
 #include "content/public/common/speech_recognition_result.h"
+#include "google_apis/google_api_keys.h"
 #include "net/base/escape.h"
 #include "net/base/load_flags.h"
 #include "net/url_request/url_fetcher.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "net/url_request/url_request_status.h"
 
 using content::SpeechRecognitionError;
 using content::SpeechRecognitionHypothesis;
 using content::SpeechRecognitionResult;
@@ skipping 166 matching lines @@
     parts.push_back("lm=" + net::EscapeQueryParamValue(config_.grammars[0].url,
                                                        true));
   }
 
   if (!config_.hardware_info.empty())
     parts.push_back("xhw=" + net::EscapeQueryParamValue(config_.hardware_info,
                                                         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) + JoinString(parts, '&'));
 
   encoder_.reset(AudioEncoder::Create(kDefaultAudioCodec,
                                       config_.audio_sample_rate,
                                       config_.audio_num_bits_per_sample));
   DCHECK(encoder_.get());
   url_fetcher_.reset(net::URLFetcher::Create(url_fetcher_id_for_tests,
                                              url,
                                              net::URLFetcher::POST,
                                              this));
@@ skipping 71 matching lines @@
 
 bool GoogleOneShotRemoteEngine::IsRecognitionPending() const {
   return url_fetcher_ != NULL;
 }
 
 int GoogleOneShotRemoteEngine::GetDesiredAudioChunkDurationMs() const {
   return kAudioPacketIntervalMs;
 }
 
 }  // namespace speech