AppShell support for Mac.

extensions/shell/app/paths_mac.h

Index: extensions/shell/app/paths_mac.h
diff --git a/extensions/shell/app/paths_mac.h b/extensions/shell/app/paths_mac.h
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index 0000000000000000000000000000000000000000..8cdaee9550c362bd140b646dfd5c486a427873a6
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+++ b/extensions/shell/app/paths_mac.h
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+// 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.
+
+#ifndef EXTENSIONS_SHELL_APP_PATHS_MAC_H_
+#define EXTENSIONS_SHELL_APP_PATHS_MAC_H_
+
+namespace base {
+class FilePath;
+}
+
+namespace extensions {
+
+// Override the framework bundle path.
+void OverrideFrameworkBundlePath();
+
+// Override the helper (child process) path.
+void OverrideChildProcessFilePath();
+
+}  // namespace extensions
+
+#endif  // EXTENSIONS_SHELL_APP_PATHS_MAC_H_