Disable the web speech input feature on extension popups.

content/browser/speech/speech_input_manager.h

 // Copyright (c) 2011 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_INPUT_MANAGER_H_
 #define CONTENT_BROWSER_SPEECH_SPEECH_INPUT_MANAGER_H_
 
 #include <map>
 #include <string>
 
@@ skipping 129 matching lines @@
  private:
   struct SpeechInputRequest {
     SpeechInputRequest();
     ~SpeechInputRequest();
 
     Delegate* delegate;
     scoped_refptr<SpeechRecognizer> recognizer;
     bool is_active;  // Set to true when recording or recognition is going on.
   };
 
+  struct SpeechInputParams;
+
   Delegate* GetDelegate(int caller_id) const;
 
+  void CheckRenderViewTypeAndStartRecognition(const SpeechInputParams& params);
+  void ProceedStartingRecognition(const SpeechInputParams& params);
+
   typedef std::map<int, SpeechInputRequest> SpeechRecognizerMap;
   SpeechRecognizerMap requests_;
   std::string request_info_;
   bool can_report_metrics_;
   int recording_caller_id_;
 };
 
 // This typedef is to workaround the issue with certain versions of
 // Visual Studio where it gets confused between multiple Delegate
 // classes and gives a C2500 error. (I saw this error on the try bots -
 // the workaround was not needed for my machine).
 typedef SpeechInputManager::Delegate SpeechInputManagerDelegate;
 
 }  // namespace speech_input
 
 #endif  // CONTENT_BROWSER_SPEECH_SPEECH_INPUT_MANAGER_H_