Initialize the bootstrap sandbox in the browser process.

content/browser/bootstrap_sandbox_mac.h

Index: content/browser/bootstrap_sandbox_mac.h
diff --git a/content/browser/bootstrap_sandbox_mac.h b/content/browser/bootstrap_sandbox_mac.h
new file mode 100644
index 0000000000000000000000000000000000000000..dff629e9f812027f6c21186c54ba6a9c7dda1897
--- /dev/null
+++ b/content/browser/bootstrap_sandbox_mac.h
@@ -0,0 +1,22 @@
+// 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 CONTENT_BROWSER_BOOTSTRAP_SANDBOX_MAC_H_
+#define CONTENT_BROWSER_BOOTSTRAP_SANDBOX_MAC_H_
+
+namespace sandbox {
+class BootstrapSandbox;
+}
+
+namespace content {
+
+// Returns the singleton instance of the BootstrapSandox. The returned object
+// is thread-safe.
+// On the first call to this function, the sandbox will be created and all
+// the policies will be registered with it.
+sandbox::BootstrapSandbox* GetBootstrapSandbox();
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_BOOTSTRAP_SANDBOX_MAC_H_