Install platform apps into a separate data directory

chrome/browser/extensions/crx_installer.h

 // Copyright (c) 2011 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_CRX_INSTALLER_H_
 #define CHROME_BROWSER_EXTENSIONS_CRX_INSTALLER_H_
 #pragma once
 
 #include <string>
 
@@ skipping 278 matching lines @@
   // The temp directory extension resources were unpacked to. We own this and
   // must delete it when we are done with it.
   FilePath temp_dir_;
 
   // The frontend we will report results back to.
   base::WeakPtr<ExtensionService> frontend_weak_;
 
   // The Profile where the extension is being installed in.
   Profile* profile_;
 
+  // Path of the profile where the extension is being installed.
+  FilePath profile_path_;
+
   // The client we will work with to do the installation. This can be NULL, in
   // which case the install is silent.
   // NOTE: we may be deleted on the file thread. To ensure the UI is deleted on
   // the main thread we don't use a scoped_ptr here.
   ExtensionInstallUI* client_;
 
   // The root of the unpacked extension directory. This is a subdirectory of
   // temp_dir_, so we don't have to delete it explicitly.
   FilePath unpacked_extension_root_;
 
@@ skipping 17 matching lines @@
   extension_misc::CrxInstallCause install_cause_;
 
   // Creation flags to use for the extension.  These flags will be used
   // when calling Extenion::Create() by the crx installer.
   int creation_flags_;
 
   DISALLOW_COPY_AND_ASSIGN(CrxInstaller);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_CRX_INSTALLER_H_