Wire up Android system permission prompts in PermissionRequestManager codepath

chrome/browser/permissions/permission_request_impl.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 "chrome/browser/permissions/permission_request_impl.h"
 
 #include "build/build_config.h"
 #include "chrome/browser/permissions/permission_decision_auto_blocker.h"
 #include "chrome/browser/permissions/permission_uma_util.h"
 #include "chrome/browser/permissions/permission_util.h"
@@ skipping 154 matching lines @@
 
 PermissionRequestType PermissionRequestImpl::GetPermissionRequestType()
     const {
   return PermissionUtil::GetRequestType(content_settings_type_);
 }
 
 PermissionRequestGestureType PermissionRequestImpl::GetGestureType()
     const {
   return PermissionUtil::GetGestureType(has_gesture_);
 }
+
+ContentSettingsType PermissionRequestImpl::GetContentSettingsType() const {
+  return content_settings_type_;
+}