Enable Mojo to download from file URLs

mojo/shell/network_delegate.h

Index: mojo/shell/network_delegate.h
diff --git a/mojo/shell/network_delegate.h b/mojo/shell/network_delegate.h
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index 0000000000000000000000000000000000000000..870896d3e1483ea760696be1de4336856f5eb60a
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+++ b/mojo/shell/network_delegate.h
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+// Copyright (c) 2013 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.
+
+#ifndef MOJO_SHELL_NETWORK_DELEGATE_H_
+#define MOJO_SHELL_NETWORK_DELEGATE_H_
+
+#include "base/compiler_specific.h"
+#include "net/base/network_delegate.h"
+
+namespace mojo {
+namespace shell {
+
+class NetworkDelegate : public net::NetworkDelegate {
+ public:
+  NetworkDelegate();
+  virtual bool OnCanAccessFile(const net::URLRequest& request,
+                               const base::FilePath& path) const OVERRIDE;
+};
+
+}  // namespace shell
+}  // namespace mojo
+
+#endif  // MOJO_SHELL_MOJO_NETWORK_DELEGATE_H_