Use the new CreateSnapshotFile() in FileSystemURLRequest job

webkit/fileapi/file_system_url_request_job.cc

 // 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.
 
 #include "webkit/fileapi/file_system_url_request_job.h"
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/file_path.h"
 #include "base/file_util_proxy.h"
 #include "base/message_loop.h"
 #include "base/platform_file.h"
 #include "base/threading/thread_restrictions.h"
 #include "build/build_config.h"
 #include "googleurl/src/gurl.h"
 #include "net/base/file_stream.h"
 #include "net/base/io_buffer.h"
 #include "net/base/mime_util.h"
 #include "net/base/net_errors.h"
 #include "net/base/net_util.h"
 #include "net/http/http_response_headers.h"
 #include "net/http/http_response_info.h"
 #include "net/http/http_util.h"
 #include "net/url_request/url_request.h"
+#include "webkit/blob/shareable_file_reference.h"
 #include "webkit/fileapi/file_system_context.h"
 #include "webkit/fileapi/file_system_operation.h"
 #include "webkit/fileapi/file_system_util.h"
 
 using net::URLRequest;
 using net::URLRequestJob;
 using net::URLRequestStatus;
 
 namespace fileapi {
 
@@ skipping 139 matching lines @@
     return;
   FileSystemOperationInterface* operation =
       file_system_context_->CreateFileSystemOperation(
           request_->url(),
           file_thread_proxy_);
   if (!operation) {
     NotifyDone(URLRequestStatus(URLRequestStatus::FAILED,
                                 net::ERR_INVALID_URL));
     return;
   }
-  operation->GetMetadata(
+  operation->CreateSnapshotFile(
       request_->url(),
-      base::Bind(&FileSystemURLRequestJob::DidGetMetadata, this));
+      base::Bind(&FileSystemURLRequestJob::DidCreateSnapshot, this));
 }
 
-void FileSystemURLRequestJob::DidGetMetadata(
+void FileSystemURLRequestJob::DidCreateSnapshot(
     base::PlatformFileError error_code,
     const base::PlatformFileInfo& file_info,
-    const FilePath& platform_path) {
+    const FilePath& platform_path,
+    const scoped_refptr<webkit_blob::ShareableFileReference>&
+        deletable_file_ref) {
   if (error_code != base::PLATFORM_FILE_OK) {
     NotifyFailed(error_code == base::PLATFORM_FILE_ERROR_INVALID_URL ?
                  net::ERR_INVALID_URL : net::ERR_FILE_NOT_FOUND);
     return;
   }
 
   // We may have been orphaned...
   if (!request_)
     return;
 
   is_directory_ = file_info.is_directory;
 
+  // Keep the reference (if it's non-null) so that the file won't go away.
+  snapshot_ref_ = deletable_file_ref;
+
   if (!byte_range_.ComputeBounds(file_info.size)) {
     NotifyFailed(net::ERR_REQUEST_RANGE_NOT_SATISFIABLE);
     return;
   }
 
   if (!is_directory_) {
     base::FileUtilProxy::CreateOrOpen(
         file_thread_proxy_, platform_path, kFileFlags,
         base::Bind(&FileSystemURLRequestJob::DidOpen,
                    weak_factory_.GetWeakPtr()));
@@ skipping 64 matching lines @@
   }
 
   return false;
 }
 
 void FileSystemURLRequestJob::NotifyFailed(int rv) {
   NotifyDone(URLRequestStatus(URLRequestStatus::FAILED, rv));
 }
 
 }  // namespace fileapi