Revert 60378 (trying to track down http://crbug.com/56752 )- Flesh out URLLoader's download_to_file function.

* tie the lifetime of the resulting temp file to the lifetime of the URLLoader
  (the plan is to later extend the lifetime of the temp file to support xhr.responseBlob)
* make it work in test_shell
* make it work for sync requests
* added OnDataDownloaded messages to report progress

A related BlobURL loading change.
* grab a reference to the blob early on to ensure it's still there when the 'job' is finally started.

TEST=manual and deletable_file_reference_unittest.cc
BUG=52486

Review URL: http://codereview.chromium.org/3165062

TBR=michaeln@chromium.org
Review URL: http://codereview.chromium.org/3455022

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@60425 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 0 insertions, 63 deletions

diff --git a/webkit/blob/deletable_file_reference.cc b/webkit/blob/deletable_file_reference.cc
deleted file mode 100644
index b005eeb..0000000
--- a/webkit/blob/deletable_file_reference.cc
+++ /dev/null
@@ -1,63 +0,0 @@
-// Copyright (c) 2010 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/blob/deletable_file_reference.h"
-
-#include <map>
-#include "base/file_util.h"
-#include "base/file_util_proxy.h"
-#include "base/message_loop_proxy.h"
-#include "base/singleton.h"
-
-namespace webkit_blob {
-
-namespace {
-
-typedef std::map<FilePath, DeletableFileReference*> DeleteableFileMap;
-
-DeleteableFileMap* map() {
-  return Singleton<DeleteableFileMap>::get();
-}
-
-}  // namespace
-
-// static
-scoped_refptr<DeletableFileReference> DeletableFileReference::Get(
-    const FilePath& path) {
-  DeleteableFileMap::iterator found = map()->find(path);
-  DeletableFileReference* reference =
-      (found == map()->end()) ? NULL : found->second;
-  return scoped_refptr<DeletableFileReference>(reference);
-}
-
-// static
-scoped_refptr<DeletableFileReference> DeletableFileReference::GetOrCreate(
-    const FilePath& path, base::MessageLoopProxy* file_thread) {
-  DCHECK(file_thread);
-  typedef std::pair<DeleteableFileMap::iterator, bool> InsertResult;
-  InsertResult result = map()->insert(
-      DeleteableFileMap::value_type(path, NULL));
-  if (result.second == false)
-    return scoped_refptr<DeletableFileReference>(result.first->second);
-
-  // Wasn't in the map, create a new reference and store the pointer.
-  scoped_refptr<DeletableFileReference> reference =
-      new DeletableFileReference(path, file_thread);
-  result.first->second = reference.get();
-  return reference;
-}
-
-DeletableFileReference::DeletableFileReference(
-    const FilePath& path, base::MessageLoopProxy* file_thread)
-    : path_(path), file_thread_(file_thread) {
-  DCHECK(map()->find(path_)->second == NULL);
-}
-
-DeletableFileReference::~DeletableFileReference() {
-  DCHECK(map()->find(path_)->second == this);
-  map()->erase(path_);
-  base::FileUtilProxy::Delete(file_thread_, path_, NULL);
-}
-
-}  // namespace webkit_blob