Start removing support for the experimental x-webkit-speech API

chrome/browser/ui/browser_commands.cc

 // Copyright 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.
 
 #include "chrome/browser/ui/browser_commands.h"
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 1042 matching lines @@
         chrome::NOTIFICATION_OUTDATED_INSTALL_NO_AU,
         content::NotificationService::AllSources(),
         content::NotificationService::NoDetails());
   } else {
     content::RecordAction(UserMetricsAction("UpdateChrome"));
     browser->window()->ShowUpdateChromeDialog();
   }
 }
 
 void ToggleSpeechInput(Browser* browser) {
-  WebContents* web_contents =
-      browser->tab_strip_model()->GetActiveWebContents();
-  web_contents->GetRenderViewHost()->ToggleSpeechInput();
-
   SearchTabHelper* search_tab_helper =
-      SearchTabHelper::FromWebContents(web_contents);
+      SearchTabHelper::FromWebContents(
+          browser->tab_strip_model()->GetActiveWebContents());
   // |search_tab_helper| can be null in unit tests.
   if (search_tab_helper)
     search_tab_helper->ToggleVoiceSearch();
 }
 
 bool CanRequestTabletSite(WebContents* current_tab) {
   if (!current_tab)
     return false;
   return current_tab->GetController().GetActiveEntry() != NULL;
 }
@@ skipping 179 matching lines @@
                                           browser->profile(),
                                           browser->host_desktop_type()));
   app_browser->tab_strip_model()->AppendWebContents(contents, true);
 
   contents->GetMutableRendererPrefs()->can_accept_load_drops = false;
   contents->GetRenderViewHost()->SyncRendererPrefs();
   app_browser->window()->Show();
 }
 
 }  // namespace chrome