Support "learn more" link for EME in PermissionRequestManager code-path on Android

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 130 matching lines @@
     case CONTENT_SETTINGS_TYPE_GEOLOCATION:
       message_id = IDS_GEOLOCATION_INFOBAR_PERMISSION_FRAGMENT;
       break;
     case CONTENT_SETTINGS_TYPE_NOTIFICATIONS:
     case CONTENT_SETTINGS_TYPE_PUSH_MESSAGING:
       message_id = IDS_NOTIFICATION_PERMISSIONS_FRAGMENT;
       break;
     case CONTENT_SETTINGS_TYPE_MIDI_SYSEX:
       message_id = IDS_MIDI_SYSEX_PERMISSION_FRAGMENT;
       break;
-#if defined(OS_CHROMEOS)
+#if defined(OS_ANDROID) || defined(OS_CHROMEOS)
     case CONTENT_SETTINGS_TYPE_PROTECTED_MEDIA_IDENTIFIER:
       message_id = IDS_PROTECTED_MEDIA_IDENTIFIER_PERMISSION_FRAGMENT;
       break;
 #endif
     case CONTENT_SETTINGS_TYPE_PLUGINS:
       message_id = IDS_FLASH_PERMISSION_FRAGMENT;
       break;
     case CONTENT_SETTINGS_TYPE_MEDIASTREAM_MIC:
       message_id = IDS_MEDIA_CAPTURE_AUDIO_ONLY_PERMISSION_FRAGMENT;
       break;
@@ skipping 41 matching lines @@
 }
 
 PermissionRequestGestureType PermissionRequestImpl::GetGestureType()
     const {
   return PermissionUtil::GetGestureType(has_gesture_);
 }
 
 ContentSettingsType PermissionRequestImpl::GetContentSettingsType() const {
   return content_settings_type_;
 }