Revert 273763 "Add garbage collection for shared extensions on C..."

trunk/src/chrome/browser/extensions/extension_assets_manager_chromeos.h

Index: trunk/src/chrome/browser/extensions/extension_assets_manager_chromeos.h
===================================================================
--- trunk/src/chrome/browser/extensions/extension_assets_manager_chromeos.h	(revision 273797)
+++ trunk/src/chrome/browser/extensions/extension_assets_manager_chromeos.h	(working copy)
@@ -5,15 +5,12 @@
 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_ASSETS_MANAGER_CHROMEOS_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_ASSETS_MANAGER_CHROMEOS_H_
 
-#include <map>
-
 #include "chrome/browser/extensions/extension_assets_manager.h"
 
 template <typename T> struct DefaultSingletonTraits;
 class PrefRegistrySimple;
 
 namespace base {
-class DictionaryValue;
 class SequencedTaskRunner;
 }
 
@@ -25,15 +22,9 @@
  public:
   static ExtensionAssetsManagerChromeOS* GetInstance();
 
-  // A dictionary that maps shared extension IDs to version/paths/users.
-  static const char kSharedExtensions[];
+  // Path to shared extensions install dir.
+  static const char kSharedExtensionsDir[];
 
-  // Name of path attribute in shared extensions map.
-  static const char kSharedExtensionPath[];
-
-  // Name of users attribute (list of user emails) in shared extensions map.
-  static const char kSharedExtensionUsers[];
-
   // Register shared assets related preferences.
   static void RegisterPrefs(PrefRegistrySimple* registry);
 
@@ -49,16 +40,6 @@
       const base::FilePath& local_install_dir,
       const base::FilePath& extension_root) OVERRIDE;
 
-  // Return shared install dir.
-  static base::FilePath GetSharedInstallDir();
-
-  // Cleans up shared extensions list in preferences and returns list of
-  // extension IDs and version paths that are in use in |live_extension_paths|.
-  // Files on disk are not removed. Must be called on UI thread.
-  // Returns |false| in case of errors.
-  static bool CleanUpSharedExtensions(
-      std::multimap<std::string, base::FilePath>* live_extension_paths);
-
   static void SetSharedInstallDirForTesting(const base::FilePath& install_dir);
 
  private:
@@ -71,6 +52,9 @@
   // the profile.
   static base::SequencedTaskRunner* GetFileTaskRunner(Profile* profile);
 
+  // Return shared install dir.
+  static base::FilePath GetSharedInstallDir();
+
   // Return |true| if |extension| can be installed in a shared place for all
   // users on the device.
   static bool CanShareAssets(const Extension* extension);
@@ -113,12 +97,6 @@
   // Called on task runner thread to remove shared version.
   static void DeleteSharedVersion(const base::FilePath& shared_version_dir);
 
-  // Clean shared extension with given |id|.
-  static bool CleanUpExtension(
-      const std::string& id,
-      base::DictionaryValue* extension_info,
-      std::multimap<std::string, base::FilePath>* live_extension_paths);
-
   DISALLOW_COPY_AND_ASSIGN(ExtensionAssetsManagerChromeOS);
 };