Garbage Collect the Storage directory on next profile start after an extension uninstall.

chrome/browser/extensions/extension_prefs.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_BROWSER_EXTENSIONS_EXTENSION_PREFS_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_PREFS_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 366 matching lines @@
   // Caller takes ownership of returned structure.
   scoped_ptr<ExtensionsInfo> GetInstalledExtensionsInfo() const;
 
   // Returns the ExtensionInfo from the prefs for the given extension. If the
   // extension is not present, NULL is returned.
   scoped_ptr<ExtensionInfo> GetInstalledExtensionInfo(
       const std::string& extension_id) const;
 
   // We've downloaded an updated .crx file for the extension, but are waiting
   // for idle time to install it.
-  void SetIdleInstallInfo(const Extension* extension,
-                          Extension::State initial_state,
-                          const syncer::StringOrdinal& page_ordinal);
+  void SetDelayedInstallInfo(const Extension* extension,
+                             Extension::State initial_state,
+                             const syncer::StringOrdinal& page_ordinal);
 
-  // Removes any idle install information we have for the given |extension_id|.
-  // Returns true if there was info to remove; false otherwise.
-  bool RemoveIdleInstallInfo(const std::string& extension_id);
+  // Removes any delayed install information we have for the given
+  // |extension_id|. Returns true if there was info to remove; false otherwise.
+  bool RemoveDelayedInstallInfo(const std::string& extension_id);
 
   // Update the prefs to finish the update for an extension.
-  bool FinishIdleInstallInfo(const std::string& extension_id);
+  bool FinishDelayedInstallInfo(const std::string& extension_id);
 
-  // Returns the ExtensionInfo from the prefs for idle install information for
-  // |extension_id|, if we have any. Otherwise returns NULL.
-  scoped_ptr<ExtensionInfo> GetIdleInstallInfo(
+  // Returns the ExtensionInfo from the prefs for delayed install information
+  // for |extension_id|, if we have any. Otherwise returns NULL.
+  scoped_ptr<ExtensionInfo> GetDelayedInstallInfo(
       const std::string& extension_id) const;
 
-  // Returns information about all the extensions that have pending idle
-  // install information.
-  scoped_ptr<ExtensionsInfo> GetAllIdleInstallInfo() const;
+  // Returns information about all the extensions that have delayed install
+  // information.
+  scoped_ptr<ExtensionsInfo> GetAllDelayedInstallInfo() const;
 
   // We allow the web store to set a string containing login information when a
   // purchase is made, so that when a user logs into sync with a different
   // account we can recognize the situation. The Get function returns true if
   // there was previously stored data (placing it in |result|), or false
   // otherwise. The Set will overwrite any previous login.
   bool GetWebStoreLogin(std::string* result);
   void SetWebStoreLogin(const std::string& login);
 
   // Returns true if the one-time Sideload Wipeout effort has been executed.
@@ skipping 80 matching lines @@
 
   // The underlying ExtensionSorting.
   ExtensionSorting* extension_sorting() const {
     return extension_sorting_.get();
   }
 
   // Describes the URLs that are able to install extensions. See
   // prefs::kExtensionAllowedInstallSites for more information.
   URLPatternSet GetAllowedInstallSites();
 
+  // Schedules garbage collection of an extension's on-disk data on the next
+  // start of this ExtensionService. Applies only to extensions with isolated
+  // storage.
+  void SetNeedsStorageGarbageCollection(bool value);
+  bool NeedsStorageGarbageCollection();
+
  private:
   friend class ExtensionPrefsBlacklistedExtensions;  // Unit test.
   friend class ExtensionPrefsUninstallExtension;     // Unit test.
 
   // See the Create methods.
   ExtensionPrefs(PrefService* prefs,
                  const FilePath& root_dir,
                  ExtensionPrefValueMap* extension_pref_value_map,
                  scoped_ptr<TimeProvider> time_provider);
 
@@ skipping 127 matching lines @@
   scoped_refptr<ContentSettingsStore> content_settings_store_;
 
   scoped_ptr<TimeProvider> time_provider_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionPrefs);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_PREFS_H_