Grant file access permissions for cached file paths to file browsers/handlers.

chrome/browser/chromeos/gdata/gdata_file_system.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_CHROMEOS_GDATA_GDATA_FILE_SYSTEM_H_
 #define CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILE_SYSTEM_H_
 
 #include <sys/stat.h>
 
 #include <map>
@@ skipping 299 matching lines @@
   virtual FilePath GetGDataCacheTmpDirectory() const = 0;
 
   // Returns the tmp downloads sub-directory under gdata cache directory, i.e.
   // <user_profile_dir>/GCache/v1/tmp/downloads/
   virtual FilePath GetGDataTempDownloadFolderPath() const = 0;
 
   // Returns the pinned sub-directory under gdata cache directory, i.e.
   // <user_profile_dir>/GCache/v1/pinned
   virtual FilePath GetGDataCachePinnedDirectory() const = 0;
 
+  // Returns the pinned sub-directory under gdata cache directory, i.e.
+  // <user_profile_dir>/GCache/v1/pinned
+  virtual FilePath GetGDataCachePersistentDirectory() const = 0;
+
+  // Returns absolute path of the file if it were cached or to be cached.
+  virtual FilePath GetCacheFilePath(
+      const std::string& resource_id,
+      const std::string& md5,
+      GDataRootDirectory::CacheSubDirectoryType sub_dir_type,
+      CachedFileOrigin file_orign) const = 0;
+
   // Fetches the user's Account Metadata to find out current quota information
   // and returns it to the callback.
   virtual void GetAvailableSpace(const GetAvailableSpaceCallback& callback) = 0;
 
   // Creates a new file from |entry| under |virtual_dir_path|. Stored its
   // content from |file_content_path| into the cache.
   virtual void AddDownloadedFile(const FilePath& virtual_dir_path,
                                  scoped_ptr<DocumentEntry> entry,
                                  const FilePath& file_content_path) = 0;
 };
@@ skipping 43 matching lines @@
   virtual void RemoveOperationObserver(
       GDataOperationRegistry::Observer* observer) OVERRIDE;
   virtual void GetCacheState(const std::string& resource_id,
                              const std::string& md5,
                              const GetCacheStateCallback& callback) OVERRIDE;
   virtual bool GetFileInfoFromPath(const FilePath& gdata_file_path,
                                    GDataFileProperties* properties) OVERRIDE;
   virtual FilePath GetGDataCacheTmpDirectory() const OVERRIDE;
   virtual FilePath GetGDataTempDownloadFolderPath() const OVERRIDE;
   virtual FilePath GetGDataCachePinnedDirectory() const OVERRIDE;
+  virtual FilePath GetGDataCachePersistentDirectory() const OVERRIDE;
+  virtual FilePath GetCacheFilePath(
+      const std::string& resource_id,
+      const std::string& md5,
+      GDataRootDirectory::CacheSubDirectoryType sub_dir_type,
+      CachedFileOrigin file_orign) const OVERRIDE;
   virtual void GetAvailableSpace(
       const GetAvailableSpaceCallback& callback) OVERRIDE;
   virtual void AddDownloadedFile(const FilePath& virtual_dir_path,
                                  scoped_ptr<DocumentEntry> entry,
                                  const FilePath& file_content_path) OVERRIDE;
 
  private:
   friend class GDataUploader;
   friend class GDataFileSystemTest;
   FRIEND_TEST_ALL_PREFIXES(GDataFileSystemTest,
@@ skipping 349 matching lines @@
   // Cache entry points from within GDataFileSystem.
   // The functionalities of GData blob cache include:
   // - stores downloaded gdata files on disk, indexed by the resource_id and md5
   //   of the gdata file.
   // - provides absolute path for files to be cached or cached.
   // - updates the cached file on disk after user has edited it locally
   // - handles eviction when disk runs out of space
   // - uploads dirty files to gdata server.
   // - etc.
 
-  // Returns absolute path of the file if it were cached or to be cached.
-  FilePath GetCacheFilePath(
-      const std::string& resource_id,
-      const std::string& md5,
-      GDataRootDirectory::CacheSubDirectoryType sub_dir_type,
-      CachedFileOrigin file_orign);
-
   // Checks if file corresponding to |resource_id| and |md5| exists in cache.
   // Initializes cache if it has not been initialized.
   // Upon completion, |callback| is invoked on the thread where this method was
   // called, with the cache file path if it exists or empty otherwise.
   // otherwise.
   void GetFromCache(const std::string& resource_id,
                     const std::string& md5,
                     const GetFromCacheCallback& callback);
 
   // Stores |source_path| corresponding to |resource_id| and |md5| to cache.
@@ skipping 219 matching lines @@
   bool in_shutdown_;  // True if GDatafileSystem is shutting down.
 
   base::WeakPtrFactory<GDataFileSystem> weak_ptr_factory_;
 
   ObserverList<Observer> observers_;
 };
 
 }  // namespace gdata
 
 #endif  // CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILE_SYSTEM_H_