Binding media stream audio track to speech recognition [browser]

content/browser/speech/speech_recognition_dispatcher_host.cc

Index: content/browser/speech/speech_recognition_dispatcher_host.cc
diff --git a/content/browser/speech/speech_recognition_dispatcher_host.cc b/content/browser/speech/speech_recognition_dispatcher_host.cc
index f920c51e779d6632c6eab3f1c8ee304080c789aa..b20208bc343581a553c290fe16e702d777234350 100644
--- a/content/browser/speech/speech_recognition_dispatcher_host.cc
+++ b/content/browser/speech/speech_recognition_dispatcher_host.cc
@@ -7,6 +7,7 @@
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
+#include "base/sync_socket.h"
 #include "content/browser/browser_plugin/browser_plugin_guest.h"
 #include "content/browser/child_process_security_policy_impl.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
@@ -17,6 +18,7 @@
 #include "content/public/browser/speech_recognition_session_config.h"
 #include "content/public/browser/speech_recognition_session_context.h"
 #include "content/public/common/content_switches.h"
+#include "media/audio/audio_parameters.h"
 
 namespace content {
 
@@ -167,6 +169,9 @@ void SpeechRecognitionDispatcherHost::OnStartRequestOnIO(
   config.continuous = params.continuous;
   config.interim_results = params.interim_results;
   config.event_listener = AsWeakPtr();
+  config.using_audio_track = params.using_audio_track;
+  // TODO(burnik): This needs to be tested on Windows.
+  config.peer_process_handle = PeerHandle();
 
   int session_id = SpeechRecognitionManager::GetInstance()->CreateSession(
       config);
@@ -277,4 +282,18 @@ void SpeechRecognitionDispatcherHost::OnEnvironmentEstimationComplete(
     int session_id) {
 }
 
+void SpeechRecognitionDispatcherHost::OnAudioReceiverReady(
+    int session_id,
+    const media::AudioParameters& params,
+    const base::SharedMemoryHandle memory,
+    const base::SyncSocket::TransitDescriptor socket) {
+  const SpeechRecognitionSessionContext& context =
+      SpeechRecognitionManager::GetInstance()->GetSessionContext(session_id);
+  Send(new SpeechRecognitionMsg_AudioReceiverReady(context.render_view_id,
+                                                   context.request_id,
+                                                   params,
+                                                   memory,
+                                                   socket));
+}
+
 }  // namespace content