Reorganizes Chromecast code to better reflect functional dependencies.

chromecast/shell/browser/cast_network_delegate.cc

-// Copyright 2014 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 "chromecast/shell/browser/cast_network_delegate.h"
-
-#include "base/command_line.h"
-#include "base/files/file_path.h"
-#include "chromecast/common/chromecast_switches.h"
-
-namespace chromecast {
-namespace shell {
-
-CastNetworkDelegate::CastNetworkDelegate() {
-  DetachFromThread();
-}
-
-CastNetworkDelegate::~CastNetworkDelegate() {
-}
-
-bool CastNetworkDelegate::OnCanAccessFile(const net::URLRequest& request,
-                                          const base::FilePath& path) const {
-#if defined(OS_ANDROID)
-  // On Chromecast, there's no reason to allow local file access.
-  if (base::CommandLine::ForCurrentProcess()->
-      HasSwitch(switches::kEnableLocalFileAccesses)) {
-    return true;
-  }
-#endif  // defined(OS_ANDROID)
-
-  LOG(WARNING) << "Could not access file " << path.value()
-               << ". All file accesses are forbidden.";
-  return false;
-}
-
-}  // namespace shell
-}  // namespace chromecast