Adding support for the SpeechRecognition.maxAlternatives JS API parameter (Speech CL2.5)

content/browser/speech/speech_recognition_engine.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_BROWSER_SPEECH_SPEECH_RECOGNITION_ENGINE_H_
 #define CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_ENGINE_H_
 #pragma once
 
 #include <string>
 
@@ skipping 38 matching lines @@
   };
 
   // Remote engine configuration.
   struct CONTENT_EXPORT Config {
     Config();
     ~Config();
 
     std::string language;
     content::SpeechRecognitionGrammarArray grammars;
     bool filter_profanities;
+    uint32 max_hypotheses;
     std::string hardware_info;
     std::string origin_url;
     int audio_sample_rate;
     int audio_num_bits_per_sample;
   };
 
   virtual ~SpeechRecognitionEngine() {}
 
   // Set/change the recognition engine configuration. It is not allowed to call
   // this function while a recognition is ongoing.
@@ skipping 35 matching lines @@
 
 // These typedefs are to workaround the issue with certain versions of
 // Visual Studio where it gets confused between multiple Delegate
 // classes and gives a C2500 error.
 typedef SpeechRecognitionEngine::Delegate SpeechRecognitionEngineDelegate;
 typedef SpeechRecognitionEngine::Config SpeechRecognitionEngineConfig;
 
 }  // namespace speech
 
 #endif  // CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_ENGINE_H_