Install platform apps into a separate data directory

chrome/common/mac/app_mode_common.h

 // 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.
 
 #ifndef CHROME_COMMON_MAC_APP_MODE_COMMON_H_
 #define CHROME_COMMON_MAC_APP_MODE_COMMON_H_
 #pragma once
 
 #import <Foundation/Foundation.h>
 
@@ skipping 21 matching lines @@
 
 // Key for the app's unrestricted name.
 extern NSString* const kCrAppModeShortcutNameKey;
 
 // Key for the app's URL.
 extern NSString* const kCrAppModeShortcutURLKey;
 
 // Key for the app user data directory.
 extern NSString* const kCrAppModeUserDataDirKey;
 
+// Key for the app's extension path.
+extern NSString* const kCrAppModeExtensionPathKey;
+
 // Current major/minor version numbers of |ChromeAppModeInfo| (defined below).
 const unsigned kCurrentChromeAppModeInfoMajorVersion = 1;
 const unsigned kCurrentChromeAppModeInfoMinorVersion = 0;
 
 // The structure used to pass information from the app mode loader to the
 // (browser) framework. This is versioned using major and minor version numbers,
 // written below as v<major>.<minor>. Version-number checking is done by the
 // framework, and the framework must accept all structures with the same major
 // version number. It may refuse to load if the major version of the structure
 // is different from the one it accepts.
@@ skipping 26 matching lines @@
   string16 app_mode_short_name;  // Optional: v1.0
 
   // Unrestricted (e.g., several-word) UTF8-encoded name for the shortcut.
   string16 app_mode_name;  // Optional: v1.0
 
   // URL for the shortcut. Must be a valid URL.
   std::string app_mode_url;  // Required: v1.0
 
   // Path to the app's user data directory.
   FilePath user_data_dir;
+
+  // Path to the app's extension.
+  FilePath extension_path;
 };
 
 }  // namespace app_mode
 
 #endif  // CHROME_COMMON_MAC_APP_MODE_COMMON_H_