Drop support for uploading hardware info with speech recognition requests

extensions/shell/browser/shell_speech_recognition_manager_delegate.cc

 // 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.
 
 #include "extensions/shell/browser/shell_speech_recognition_manager_delegate.h"
 
 #include "base/bind.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/speech_recognition_manager.h"
@@ skipping 46 matching lines @@
     int session_id,
     const content::SpeechRecognitionError& error) {
 }
 
 void ShellSpeechRecognitionManagerDelegate::OnAudioLevelsChange(
     int session_id,
     float volume,
     float noise_volume) {
 }
 
-void ShellSpeechRecognitionManagerDelegate::GetDiagnosticInformation(
-    bool* can_report_metrics,
-    std::string* hardware_info) {
-}
-
 void ShellSpeechRecognitionManagerDelegate::CheckRecognitionIsAllowed(
     int session_id,
     base::Callback<void(bool ask_user, bool is_allowed)> callback) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
   const content::SpeechRecognitionSessionContext& context =
       SpeechRecognitionManager::GetInstance()->GetSessionContext(session_id);
 
   // Make sure that initiators (extensions/web pages) properly set the
   // |render_process_id| field, which is needed later to retrieve the profile.
@@ skipping 41 matching lines @@
       LOG(WARNING) << "Speech recognition only supported in Apps.";
     }
   }
 
   BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
                           base::Bind(callback, check_permission, allowed));
 }
 
 }  // namespace speech
 }  // namespace extensions