Add FileReader interface and implement FileSystemFileReader

webkit/fileapi/file_system_url_request_job.h

Index: webkit/fileapi/file_system_url_request_job.h
diff --git a/webkit/fileapi/file_system_url_request_job.h b/webkit/fileapi/file_system_url_request_job.h
index f0f9a183c01e590bdc4886f3a1233ee06d9c8ec7..9541c3160fa06892a6250bef11873e82eb5639e8 100644
--- a/webkit/fileapi/file_system_url_request_job.h
+++ b/webkit/fileapi/file_system_url_request_job.h
@@ -19,13 +19,9 @@
 class GURL;
 class FilePath;
 
-namespace webkit_blob {
-class LocalFileReader;
-class ShareableFileReference;
-}
-
 namespace fileapi {
 class FileSystemContext;
+class FileSystemFileReader;
 
 // A request job that handles reading filesystem: URLs
 class FileSystemURLRequestJob : public net::URLRequestJob {
@@ -57,21 +53,17 @@ class FileSystemURLRequestJob : public net::URLRequestJob {
   virtual ~FileSystemURLRequestJob();
 
   void StartAsync();
-  void DidCreateSnapshot(
+  void DidGetMetadata(
       base::PlatformFileError error_code,
       const base::PlatformFileInfo& file_info,
-      const FilePath& platform_path,
-      const scoped_refptr<webkit_blob::ShareableFileReference>& file_ref);
-  void DidOpen(base::PlatformFileError error_code,
-               base::PassPlatformFile file, bool created);
+      const FilePath& platform_path);
   void DidRead(int result);
   void NotifyFailed(int rv);
 
   FileSystemContext* file_system_context_;
   scoped_refptr<base::MessageLoopProxy> file_thread_proxy_;
   base::WeakPtrFactory<FileSystemURLRequestJob> weak_factory_;
-  scoped_ptr<webkit_blob::LocalFileReader> reader_;
-  scoped_refptr<webkit_blob::ShareableFileReference> snapshot_ref_;
+  scoped_ptr<FileSystemFileReader> reader_;
   bool is_directory_;
   scoped_ptr<net::HttpResponseInfo> response_info_;
   int64 remaining_bytes_;