Gather metrics on hosted app unlimitedStorage usage

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>
 
 #include "base/synchronization/lock.h"
 #include "extensions/common/extension_set.h"
 #include "storage/browser/quota/special_storage_policy.h"
 #include "url/gurl.h"
 
 class CookieSettings;
 
+namespace content {
+class BrowserContext;
+}
+
 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(CookieSettings* cookie_settings);
 
   // storage::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 CanQueryDiskSize(const GURL& origin) OVERRIDE;
   virtual bool IsFileHandler(const std::string& extension_id) OVERRIDE;
   virtual bool HasIsolatedStorage(const GURL& origin) OVERRIDE;
   virtual bool HasSessionOnlyOrigins() OVERRIDE;
 
   // Methods used by the ExtensionService to populate this class.
-  void GrantRightsForExtension(const extensions::Extension* extension);
+  void GrantRightsForExtension(const extensions::Extension* extension,
+                               content::BrowserContext* browser_context);
   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);
 
   // Returns the set of extensions protecting this origin. The caller does not
   // take ownership of the return value.
   const extensions::ExtensionSet* ExtensionsProtectingOrigin(
       const GURL& origin);
@@ skipping 30 matching lines @@
   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_;
   scoped_refptr<CookieSettings> cookie_settings_;
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SPECIAL_STORAGE_POLICY_H_