Add functionality to get default media device IDs from user preferences.

chrome/browser/ui/browser.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.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <string>
@@ skipping 43 matching lines @@
 #include "chrome/browser/extensions/extension_ui_util.h"
 #include "chrome/browser/extensions/extension_util.h"
 #include "chrome/browser/extensions/tab_helper.h"
 #include "chrome/browser/file_select_helper.h"
 #include "chrome/browser/first_run/first_run.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/browser/lifetime/keep_alive_registry.h"
 #include "chrome/browser/lifetime/keep_alive_types.h"
 #include "chrome/browser/lifetime/scoped_keep_alive.h"
+#include "chrome/browser/media/webrtc/media_capture_devices_dispatcher.h"
 #include "chrome/browser/memory/tab_manager_web_contents_data.h"
 #include "chrome/browser/notifications/notification_ui_manager.h"
 #include "chrome/browser/pepper_broker_infobar_delegate.h"
 #include "chrome/browser/permissions/permission_request_manager.h"
 #include "chrome/browser/prefs/incognito_mode_prefs.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_destroyer.h"
 #include "chrome/browser/profiles/profile_metrics.h"
 #include "chrome/browser/profiles/profiles_state.h"
 #include "chrome/browser/repost_form_warning_controller.h"
@@ skipping 1748 matching lines @@
     const content::MediaResponseCallback& callback) {
   ::RequestMediaAccessPermission(web_contents, profile_, request, callback);
 }
 
 bool Browser::CheckMediaAccessPermission(content::WebContents* web_contents,
                                          const GURL& security_origin,
                                          content::MediaStreamType type) {
   return ::CheckMediaAccessPermission(web_contents, security_origin, type);
 }
 
+std::string Browser::GetDefaultMediaDeviceID(content::WebContents* web_contents,
+                                             content::MediaStreamType type) {
+  Profile* profile =
+      Profile::FromBrowserContext(web_contents->GetBrowserContext());
+  return MediaCaptureDevicesDispatcher::GetInstance()
+      ->GetDefaultDeviceIDForProfile(profile, type);
+}
+
 bool Browser::RequestPpapiBrokerPermission(
     WebContents* web_contents,
     const GURL& url,
     const base::FilePath& plugin_path,
     const base::Callback<void(bool)>& callback) {
   PepperBrokerInfoBarDelegate::Create(web_contents, url, plugin_path, callback);
   return true;
 }
 
 gfx::Size Browser::GetSizeForNewRenderView(WebContents* web_contents) const {
@@ skipping 743 matching lines @@
     // new window later, thus we need to navigate the window now.
     if (contents) {
       contents->web_contents()->GetController().LoadURL(
           target_url, content::Referrer(), ui::PAGE_TRANSITION_LINK,
           std::string());  // No extra headers.
     }
   }
 
   return contents != NULL;
 }