QuotaManager: Return the remaining free disk space as quota.

chrome/browser/extensions/extension_special_storage_policy.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_SPECIAL_STORAGE_POLICY_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_SPECIAL_STORAGE_POLICY_H_
 
 #include <map>
 #include <string>
 
@@ skipping 13 matching lines @@
 // to determine which origins have these rights.
 class ExtensionSpecialStoragePolicy : public quota::SpecialStoragePolicy {
  public:
   explicit ExtensionSpecialStoragePolicy(CookieSettings* cookie_settings);
 
   // quota::SpecialStoragePolicy methods used by storage subsystems and the
   // browsing data remover. These methods are safe to call on any thread.
   virtual bool IsStorageProtected(const GURL& origin) OVERRIDE;
   virtual bool IsStorageUnlimited(const GURL& origin) OVERRIDE;
   virtual bool IsStorageSessionOnly(const GURL& origin) OVERRIDE;
+  virtual bool IsInstalledApp(const GURL& origin) OVERRIDE;
   virtual bool IsFileHandler(const std::string& extension_id) OVERRIDE;
   virtual bool HasSessionOnlyOrigins() OVERRIDE;
 
   // Methods used by the ExtensionService to populate this class.
   void GrantRightsForExtension(const extensions::Extension* extension);
   void RevokeRightsForExtension(const extensions::Extension* extension);
   void RevokeRightsForAllExtensions();
 
   // Decides whether the storage for |extension|'s web extent needs protection.
   bool NeedsProtection(const extensions::Extension* extension);
@@ skipping 24 matching lines @@
     void ClearCache();
 
     ExtensionSet extensions_;
     CachedResults cached_results_;
   };
 
   void NotifyChanged();
 
   base::Lock lock_;  // Synchronize all access to the collections.
   SpecialCollection protected_apps_;
+  SpecialCollection installed_apps_;
   SpecialCollection unlimited_extensions_;
   SpecialCollection file_handler_extensions_;
   scoped_refptr<CookieSettings> cookie_settings_;
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SPECIAL_STORAGE_POLICY_H_