Add RegisterMountPointProvider and TestMountPointProvider for testing

webkit/fileapi/file_system_context.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 WEBKIT_FILEAPI_FILE_SYSTEM_CONTEXT_H_
 #define WEBKIT_FILEAPI_FILE_SYSTEM_CONTEXT_H_
 
+#include <map>
 #include <string>
 
 #include "base/callback.h"
+#include "base/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/platform_file.h"
 #include "base/sequenced_task_runner_helpers.h"
 #include "webkit/fileapi/file_system_types.h"
 #include "webkit/quota/special_storage_policy.h"
 
-class FilePath;
 class GURL;
 
 namespace base {
 class SequencedTaskRunner;
 class SingleThreadTaskRunner;
 }
 
 namespace quota {
 class QuotaManagerProxy;
 }
@@ skipping 99 matching lines @@
   // Creates new FileReader instance to read a file pointed by the given
   // filesystem URL |url| starting from |offset|.
   // This method internally cracks the |url|, get an appropriate
   // MountPointProvider for the URL and call the provider's CreateFileReader.
   // The resolved MountPointProvider could perform further specialization
   // depending on the filesystem type pointed by the |url|.
   webkit_blob::FileReader* CreateFileReader(
       const GURL& url,
       int64 offset);
 
+  // Register a filesystem provider. The ownership of |provider| is
+  // transferred to this instance.
+  void RegisterMountPointProvider(FileSystemType type,
+                                  FileSystemMountPointProvider* provider);
+
  private:
   friend struct DefaultContextDeleter;
   friend class base::DeleteHelper<FileSystemContext>;
   ~FileSystemContext();
 
   void DeleteOnCorrectThread() const;
 
   scoped_refptr<base::SequencedTaskRunner> file_task_runner_;
   scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
 
   scoped_refptr<quota::QuotaManagerProxy> quota_manager_proxy_;
 
-  // Mount point providers.
+  // Regular mount point providers.
   scoped_ptr<SandboxMountPointProvider> sandbox_provider_;
   scoped_ptr<IsolatedMountPointProvider> isolated_provider_;
   scoped_ptr<ExternalFileSystemMountPointProvider> external_provider_;
 
+  // Registered mount point providers.
+  std::map<FileSystemType, FileSystemMountPointProvider*> provider_map_;
+
   DISALLOW_IMPLICIT_CONSTRUCTORS(FileSystemContext);
 };
 
 struct DefaultContextDeleter {
   static void Destruct(const FileSystemContext* context) {
     context->DeleteOnCorrectThread();
   }
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_FILEAPI_FILE_SYSTEM_CONTEXT_H_