Drop support for uploading hardware info with speech recognition requests

extensions/shell/browser/shell_speech_recognition_manager_delegate.h

 // Copyright 2014 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 EXTENSIONS_SHELL_BROWSER_SHELL_SPEECH_RECOGNITION_MANAGER_DELEGATE_H_
 #define EXTENSIONS_SHELL_BROWSER_SHELL_SPEECH_RECOGNITION_MANAGER_DELEGATE_H_
 
 #include "base/macros.h"
 #include "content/public/browser/speech_recognition_event_listener.h"
 #include "content/public/browser/speech_recognition_manager_delegate.h"
@@ skipping 21 matching lines @@
       int session_id,
       const content::SpeechRecognitionResults& result) override;
   void OnRecognitionError(
       int session_id,
       const content::SpeechRecognitionError& error) override;
   void OnAudioLevelsChange(int session_id,
                            float volume,
                            float noise_volume) override;
 
   // SpeechRecognitionManagerDelegate methods.
-  void GetDiagnosticInformation(bool* can_report_metrics,
-                                std::string* hardware_info) override;
   void CheckRecognitionIsAllowed(
       int session_id,
       base::Callback<void(bool ask_user, bool is_allowed)> callback) override;
   content::SpeechRecognitionEventListener* GetEventListener() override;
   bool FilterProfanities(int render_process_id) override;
 
   static void CheckRenderViewType(
       base::Callback<void(bool ask_user, bool is_allowed)> callback,
       int render_process_id,
       int render_view_id);
 
   DISALLOW_COPY_AND_ASSIGN(ShellSpeechRecognitionManagerDelegate);
 };
 
 }  // namespace speech
 }  // namespace extensions
 
 #endif  // EXTENSIONS_SHELL_BROWSER_SHELL_CONTENT_BROWSER_CLIENT_H_