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

content/public/browser/speech_recognition_manager.h

 // 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.
 
 #ifndef CONTENT_PUBLIC_BROWSER_SPEECH_RECOGNITION_MANAGER_H_
 #define CONTENT_PUBLIC_BROWSER_SPEECH_RECOGNITION_MANAGER_H_
 #pragma once
 
 #include "base/string16.h"
 #include "base/callback.h"
@@ skipping 44 matching lines @@
 
   // Retrieves the configuration of a session, as provided by the caller
   // upon CreateSession.
   virtual const SpeechRecognitionSessionConfig& GetSessionConfig(int session_id)
       const = 0;
 
   // Retrieves the context associated to a session.
   virtual SpeechRecognitionSessionContext GetSessionContext(
       int session_id) const = 0;
 
-  // Looks-up an existing session using a caller-provided matcher function.
-  virtual int LookupSessionByContext(
-      base::Callback<bool(
-          const content::SpeechRecognitionSessionContext&)> matcher)
-            const = 0;
+  // Looks-up an existing session from the context tuple
+  // {render_view_id, render_view_id, request_id}.
+  virtual int GetSession(int render_process_id,
+                         int render_view_id,
+                         int request_id) const = 0;
 
   // Returns true if the OS reports existence of audio recording devices.
   virtual bool HasAudioInputDevices() = 0;
 
   // Used to determine if something else is currently making use of audio input.
   virtual bool IsCapturingAudio() = 0;
 
   // Returns a human readable string for the model/make of the active audio
   // input device for this computer.
   virtual string16 GetAudioInputDeviceModel() = 0;
 
   // Invokes the platform provided microphone settings UI in a non-blocking way,
   // via the BrowserThread::FILE thread.
   virtual void ShowAudioInputSettings() = 0;
 
  protected:
    virtual ~SpeechRecognitionManager() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_SPEECH_RECOGNITION_MANAGER_H_