Introduced SpeechRecognitionDispatcher(Host) classes, handling dispatch of IPC messages for continu…

content/browser/speech/input_tag_speech_dispatcher_host.cc

Index: content/browser/speech/input_tag_speech_dispatcher_host.cc
diff --git a/content/browser/speech/input_tag_speech_dispatcher_host.cc b/content/browser/speech/input_tag_speech_dispatcher_host.cc
index cf6459713ee0129cbeea55fa0d3e1c171482a09a..1251eea57a147c4634f7a97d81d45cf8726126b7 100644
--- a/content/browser/speech/input_tag_speech_dispatcher_host.cc
+++ b/content/browser/speech/input_tag_speech_dispatcher_host.cc
@@ -89,7 +89,7 @@ bool InputTagSpeechDispatcherHost::OnMessageReceived(
 }
 
 void InputTagSpeechDispatcherHost::OnStartRecognition(
-    const InputTagSpeechHostMsg_StartRecognition_Params &params) {
+    const InputTagSpeechHostMsg_StartRecognition_Params& params) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 
   SpeechRecognitionSessionContext context;
@@ -110,10 +110,8 @@ void InputTagSpeechDispatcherHost::OnStartRecognition(
   config.filter_profanities = recognition_preferences_->FilterProfanities();
 
   int session_id = manager()->CreateSession(config, this);
-  if (session_id == content::SpeechRecognitionManager::kSessionIDInvalid)
-    return;
-
-   manager()->StartSession(session_id);
+  DCHECK_NE(session_id, content::SpeechRecognitionManager::kSessionIDInvalid);
+  manager()->StartSession(session_id);
 }
 
 void InputTagSpeechDispatcherHost::OnCancelRecognition(int render_view_id,