Factor out common Element struct from BlobData and ResourceRequestBody

webkit/base/data_element.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/base/data_element.h"
+
+namespace webkit_base {
+
+DataElement::DataElement()
+    : type_(TYPE_UNKNOWN),
+      bytes_(NULL),
+      offset_(0),
+      length_(kuint64max) {
+}
+
+DataElement::~DataElement() {}
+
+void DataElement::SetToFilePathRange(
+    const FilePath& path,
+    uint64 offset, uint64 length,
+    const base::Time& expected_modification_time) {
+  type_ = TYPE_FILE;
+  path_ = path;
+  offset_ = offset;
+  length_ = length;
+  expected_modification_time_ = expected_modification_time;
+}
+
+void DataElement::SetToBlobUrlRange(
+    const GURL& blob_url,
+    uint64 offset, uint64 length) {
+  type_ = TYPE_BLOB;
+  url_ = blob_url;
+  offset_ = offset;
+  length_ = length;
+}
+
+}  // webkit_base