move SafariImporter::CanImport to common

chrome/utility/importer/safari_importer.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_UTILITY_IMPORTER_SAFARI_IMPORTER_H_
 #define CHROME_UTILITY_IMPORTER_SAFARI_IMPORTER_H_
 
 #include <map>
 #include <set>
 #include <vector>
@@ skipping 26 matching lines @@
  public:
   // |library_dir| is the full path to the ~/Library directory,
   // We pass it in as a parameter for testing purposes.
   explicit SafariImporter(const base::FilePath& library_dir);
 
   // Importer:
   virtual void StartImport(const importer::SourceProfile& source_profile,
                            uint16 items,
                            ImporterBridge* bridge) OVERRIDE;
 
-  // Does this user account have a Safari Profile and if so, what items
-  // are supported?
-  // in: library_dir - ~/Library or a standin for testing purposes.
-  // out: services_supported - the service supported for import.
-  // Returns true if we can import the Safari profile.
-  static bool CanImport(const base::FilePath& library_dir,
-                        uint16* services_supported);
-
  private:
   FRIEND_TEST_ALL_PREFIXES(SafariImporterTest, BookmarkImport);
   FRIEND_TEST_ALL_PREFIXES(SafariImporterTest, FaviconImport);
   FRIEND_TEST_ALL_PREFIXES(SafariImporterTest, HistoryImport);
 
   virtual ~SafariImporter();
 
   // Multiple URLs can share the same favicon; this is a map
   // of URLs -> IconIDs that we load as a temporary step before
   // actually loading the icons.
@@ skipping 36 matching lines @@
   void LoadFaviconData(sql::Connection* db,
                        const FaviconMap& favicon_map,
                        std::vector<ImportedFaviconUsage>* favicons);
 
   base::FilePath library_dir_;
 
   DISALLOW_COPY_AND_ASSIGN(SafariImporter);
 };
 
 #endif  // CHROME_UTILITY_IMPORTER_SAFARI_IMPORTER_H_