Switching ExtensionSpecialStoragePolicy::IsStorageDurable to use DurableStoragePermissionContext.

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 @@
 namespace extensions {
 class Extension;
 }
 
 // Special rights are granted to 'extensions' and 'applications'. The
 // storage subsystems and the browsing data remover query this interface
 // to determine which origins have these rights.
 class ExtensionSpecialStoragePolicy : public storage::SpecialStoragePolicy {
  public:
   explicit ExtensionSpecialStoragePolicy(
-      content_settings::CookieSettings* cookie_settings);
+      content::BrowserContext* browser_context);

[pfeldman, 2016/09/23 17:12:20]

As a part of the chrome internal API, you should prefer using Profile over the
context.

 
   // storage::SpecialStoragePolicy methods used by storage subsystems and the
   // browsing data remover. These methods are safe to call on any thread.
   bool IsStorageProtected(const GURL& origin) override;
   bool IsStorageUnlimited(const GURL& origin) override;
   bool IsStorageSessionOnly(const GURL& origin) override;
   bool CanQueryDiskSize(const GURL& origin) override;
   bool HasIsolatedStorage(const GURL& origin) override;
   bool HasSessionOnlyOrigins() override;
   bool IsStorageDurable(const GURL& origin) override;
@@ skipping 42 matching lines @@
   void NotifyRevoked(const GURL& origin, int change_flags);
   void NotifyCleared();
 
   base::Lock lock_;  // Synchronize all access to the collections.
   SpecialCollection protected_apps_;
   SpecialCollection installed_apps_;
   SpecialCollection unlimited_extensions_;
   SpecialCollection file_handler_extensions_;
   SpecialCollection isolated_extensions_;
   SpecialCollection content_capabilities_unlimited_extensions_;
+
   scoped_refptr<content_settings::CookieSettings> cookie_settings_;
+  content::BrowserContext* browser_context_; // weak reference.

[pfeldman, 2016/09/23 17:12:20]

It is either WeakPtr or a raw pointer. In this case it is raw, no need to say
weak - it is clear from the code that you use raw.

 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SPECIAL_STORAGE_POLICY_H_