Move extension unpack intermediate dir to Extensions/Temp

chrome/browser/chromeos/kiosk_mode/kiosk_mode_screensaver.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/chromeos/kiosk_mode/kiosk_mode_screensaver.h"
 
 #include "ash/screensaver/screensaver_view.h"
 #include "ash/shell.h"
 #include "ash/wm/user_activity_detector.h"
 #include "base/bind.h"
@@ skipping 126 matching lines @@
   chromeos::KioskModeSettings::Get()->GetScreensaverPath(
       base::Bind(&KioskModeScreensaver::ScreensaverPathCallback,
                  weak_ptr_factory_.GetWeakPtr()));
 }
 
 void KioskModeScreensaver::ScreensaverPathCallback(
     const FilePath& screensaver_crx) {
   if (screensaver_crx.empty())
     return;
 
+  Profile* default_profile = ProfileManager::GetDefaultProfile();
+  if (!default_profile)
+    return;
+  FilePath extensions_dir =
+      default_profile->GetExtensionService()->install_directory();
   scoped_refptr<SandboxedUnpacker> screensaver_unpacker(
       new SandboxedUnpacker(
           screensaver_crx,
           true,
           Extension::COMPONENT,
           Extension::NO_FLAGS,
+          extensions_dir,
           new ScreensaverUnpackerClient(base::Bind(
               &KioskModeScreensaver::SetupScreensaver,
               weak_ptr_factory_.GetWeakPtr()))));
 
   // Fire off the unpacker on the file thread; don't need it to return.
   content::BrowserThread::PostTask(
       content::BrowserThread::FILE,
       FROM_HERE,
       base::Bind(
           &SandboxedUnpacker::Start, screensaver_unpacker.get()));
@@ skipping 68 matching lines @@
 
   g_kiosk_mode_screensaver = new KioskModeScreensaver();
 }
 
 void ShutdownKioskModeScreensaver() {
   delete g_kiosk_mode_screensaver;
   g_kiosk_mode_screensaver = NULL;
 }
 
 }  // namespace chromeos