Move URLFetcherDelegate to net/ and split URLFetcher between net/ and content/

net/url_request/url_fetcher_delegate.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 "net/url_request/url_fetcher_delegate.h"
+
+namespace net {
+
+void URLFetcherDelegate::OnURLFetchDownloadProgress(
+    const URLFetcher* source, int64 current, int64 total) {}
+
+void URLFetcherDelegate::OnURLFetchDownloadData(
+    const URLFetcher* source, scoped_ptr<std::string> download_data) {}
+
+void URLFetcherDelegate::OnURLFetchUploadProgress(
+    const URLFetcher* source, int64 current, int64 total) {}
+
+bool URLFetcherDelegate::ShouldSendDownloadData() {
+  return false;
+}
+
+URLFetcherDelegate::~URLFetcherDelegate() {}
+
+}  // namespace net