diff -r 000000000000 -r 6474c204b198 dom/plugins/base/android/ANPSystem.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/plugins/base/android/ANPSystem.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,96 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "base/basictypes.h"
+
+#include "assert.h"
+#include "ANPBase.h"
+#include <android/log.h>
+#include "nsNPAPIPluginInstance.h"
+#include "AndroidBridge.h"
+#include "nsNPAPIPlugin.h"
+#include "PluginPRLibrary.h"
+
+#define LOG(args...)  __android_log_print(ANDROID_LOG_INFO, "GeckoPlugins" , ## args)
+#define ASSIGN(obj, name)   (obj)->name = anp_system_##name
+
+const char*
+anp_system_getApplicationDataDirectory(NPP instance)
+{
+  static const char *dir = nullptr;
+  static const char *privateDir = nullptr;
+
+  bool isPrivate = false;
+
+  if (!dir) {
+    dir = getenv("ANDROID_PLUGIN_DATADIR");
+  }
+
+  if (!privateDir) {
+    privateDir = getenv("ANDROID_PLUGIN_DATADIR_PRIVATE");
+  }
+
+  if (!instance) {
+    return dir;
+  }
+
+  nsNPAPIPluginInstance* pinst = static_cast<nsNPAPIPluginInstance*>(instance->ndata);
+  if (pinst && NS_SUCCEEDED(pinst->IsPrivateBrowsing(&isPrivate)) && isPrivate) {
+    return privateDir;
+  }
+
+  return dir;
+}
+
+const char*
+anp_system_getApplicationDataDirectory()
+{
+  return anp_system_getApplicationDataDirectory(nullptr);
+}
+
+jclass anp_system_loadJavaClass(NPP instance, const char* classNameStr)
+{
+  LOG("%s", __PRETTY_FUNCTION__);
+
+  nsNPAPIPluginInstance* pinst = static_cast<nsNPAPIPluginInstance*>(instance->ndata);
+  mozilla::PluginPRLibrary* lib = static_cast<mozilla::PluginPRLibrary*>(pinst->GetPlugin()->GetLibrary());
+
+  NS_ConvertUTF8toUTF16 className(classNameStr);
+
+  nsCString libNameUtf8;
+  lib->GetLibraryPath(libNameUtf8);
+  NS_ConvertUTF8toUTF16 libName(libNameUtf8);
+
+  return mozilla::widget::android::GeckoAppShell::LoadPluginClass(className, libName);
+}
+
+void anp_system_setPowerState(NPP instance, ANPPowerState powerState)
+{
+  nsNPAPIPluginInstance* pinst = nsNPAPIPluginInstance::GetFromNPP(instance);
+
+  if (pinst) {
+    pinst->SetWakeLock(powerState == kScreenOn_ANPPowerState);
+  }
+}
+
+void InitSystemInterface(ANPSystemInterfaceV0 *i) {
+  _assert(i->inSize == sizeof(*i));
+  ASSIGN(i, getApplicationDataDirectory);
+  ASSIGN(i, loadJavaClass);
+}
+
+void InitSystemInterfaceV1(ANPSystemInterfaceV1 *i) {
+  _assert(i->inSize == sizeof(*i));
+  ASSIGN(i, getApplicationDataDirectory);
+  ASSIGN(i, loadJavaClass);
+  ASSIGN(i, setPowerState);
+}
+
+void InitSystemInterfaceV2(ANPSystemInterfaceV2 *i) {
+  _assert(i->inSize == sizeof(*i));
+  ASSIGN(i, getApplicationDataDirectory);
+  ASSIGN(i, loadJavaClass);
+  ASSIGN(i, setPowerState);
+}