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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // Defines methods relevant to all code that wants to work with browsing data.
      6 
      7 #ifndef CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_HELPER_H_
      8 #define CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_HELPER_H_
      9 
     10 #include <string>
     11 
     12 #include "base/basictypes.h"
     13 
     14 class ExtensionSpecialStoragePolicy;
     15 class GURL;
     16 
     17 class BrowsingDataHelper {
     18  public:
     19   enum OriginSetMask {
     20     UNPROTECTED_WEB = 1 << 0,  // drive-by web.
     21     PROTECTED_WEB = 1 << 1,    // hosted applications.
     22     EXTENSION = 1 << 2,        // chrome-extension://*
     23     // Always add new items to the enum above ALL and add them to ALL.
     24     ALL = UNPROTECTED_WEB | PROTECTED_WEB | EXTENSION,
     25   };
     26 
     27   // Returns true iff the provided scheme is (really) web safe, and suitable
     28   // for treatment as "browsing data". This relies on the definition of web safe
     29   // in ChildProcessSecurityPolicy, but excluding schemes like
     30   // `chrome-extension`.
     31   static bool IsWebScheme(const std::string& scheme);
     32   static bool HasWebScheme(const GURL& origin);
     33 
     34   // Returns true iff the provided scheme is an extension.
     35   static bool IsExtensionScheme(const std::string& scheme);
     36   static bool HasExtensionScheme(const GURL& origin);
     37 
     38   // Returns true if the provided origin matches the provided mask.
     39   static bool DoesOriginMatchMask(const GURL& origin,
     40                                   int origin_set_mask,
     41                                   ExtensionSpecialStoragePolicy* policy);
     42 
     43  private:
     44   DISALLOW_IMPLICIT_CONSTRUCTORS(BrowsingDataHelper);
     45 };
     46 
     47 #endif  // CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_HELPER_H_
     48