Prototype of chunked transfer encoded POST.

chrome/browser/speech/speech_recognition_request.cc

Index: chrome/browser/speech/speech_recognition_request.cc
diff --git a/chrome/browser/speech/speech_recognition_request.cc b/chrome/browser/speech/speech_recognition_request.cc
index b1234b04f5d5b32719bae0d76a70bf28e176c859..a97b9ac700d8565d132814cdefc2ce03174e2526 100644
--- a/chrome/browser/speech/speech_recognition_request.cc
+++ b/chrome/browser/speech/speech_recognition_request.cc
@@ -120,11 +120,10 @@ SpeechRecognitionRequest::SpeechRecognitionRequest(
 
 SpeechRecognitionRequest::~SpeechRecognitionRequest() {}
 
-bool SpeechRecognitionRequest::Send(const std::string& language,
-                                    const std::string& grammar,
-                                    const std::string& hardware_info,
-                                    const std::string& content_type,
-                                    const std::string& audio_data) {
+void SpeechRecognitionRequest::Start(const std::string& language,
+                                     const std::string& grammar,
+                                     const std::string& hardware_info,
+                                     const std::string& content_type) {
   DCHECK(!url_fetcher_.get());
 
   std::vector<std::string> parts;
@@ -158,7 +157,7 @@ bool SpeechRecognitionRequest::Send(const std::string& language,
                                         url,
                                         URLFetcher::POST,
                                         this));
-  url_fetcher_->set_upload_data(content_type, audio_data);
+  url_fetcher_->set_chunked_transfer_upload(content_type);
   url_fetcher_->set_request_context(url_context_);
 
   // The speech recognition API does not require user identification as part
@@ -169,7 +168,16 @@ bool SpeechRecognitionRequest::Send(const std::string& language,
       net::LOAD_DO_NOT_SAVE_COOKIES | net::LOAD_DO_NOT_SEND_COOKIES |
       net::LOAD_DO_NOT_SEND_AUTH_DATA);
   url_fetcher_->Start();
-  return true;
+}
+
+void SpeechRecognitionRequest::UploadAudioChunk(const std::string& audio_data) {
+  DCHECK(url_fetcher_.get());
+  url_fetcher_->AppendChunkToUpload(audio_data);
+}
+
+void SpeechRecognitionRequest::FinishAudioUpload() {
+  DCHECK(url_fetcher_.get());
+  url_fetcher_->MarkEndOfChunks();
 }
 
 void SpeechRecognitionRequest::OnURLFetchComplete(