Remember user permissions for camera and microphone access for https WebRTC calls in Android

chrome/browser/media/media_stream_devices_controller.cc

 // Copyright (c) 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/media/media_stream_devices_controller.h"
 
 #include "base/command_line.h"
 #include "base/prefs/pref_service.h"
 #include "base/prefs/scoped_user_pref_update.h"
 #include "base/values.h"
@@ skipping 469 matching lines @@
   // TODO(markusheintz): Replace CONTENT_SETTINGS_TYPE_MEDIA_STREAM with the
   // appropriate new CONTENT_SETTINGS_TYPE_MEDIASTREAM_MIC and
   // CONTENT_SETTINGS_TYPE_MEDIASTREAM_CAMERA.
   return profile_->GetHostContentSettingsMap()->ShouldAllowAllContent(
       request_.security_origin, request_.security_origin,
       CONTENT_SETTINGS_TYPE_MEDIASTREAM);
 }
 
 void MediaStreamDevicesController::SetPermission(bool allowed) const {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-#if defined(OS_ANDROID)
-  // We do not support sticky operations on Android yet.
-  return;
-#endif
   ContentSettingsPattern primary_pattern =
       ContentSettingsPattern::FromURLNoWildcard(request_.security_origin);
   // Check the pattern is valid or not. When the request is from a file access,
   // no exception will be made.
   if (!primary_pattern.IsValid())
     return;
 
   ContentSetting content_setting = allowed ?
       CONTENT_SETTING_ALLOW : CONTENT_SETTING_BLOCK;
   if (request_permissions_.find(content::MEDIA_DEVICE_AUDIO_CAPTURE) !=
@@ skipping 49 matching lines @@
           it->second.permission == MEDIA_ALLOWED);
 }
 
 bool MediaStreamDevicesController::IsDeviceVideoCaptureRequestedAndAllowed()
     const {
   MediaStreamTypeSettingsMap::const_iterator it =
       request_permissions_.find(content::MEDIA_DEVICE_VIDEO_CAPTURE);
   return (it != request_permissions_.end() &&
           it->second.permission == MEDIA_ALLOWED);
 }