Implement GetSandboxType() on all platforms and implement for all process types.

content/public/common/sandbox_type.h

 // 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.
 
-#ifndef CONTENT_PUBLIC_COMMON_SANDBOX_TYPE_MAC_H_
-#define CONTENT_PUBLIC_COMMON_SANDBOX_TYPE_MAC_H_
+#ifndef CONTENT_PUBLIC_COMMON_SANDBOX_TYPE_H_
+#define CONTENT_PUBLIC_COMMON_SANDBOX_TYPE_H_
 
 namespace content {
 
-// Defines the Mac sandbox types known within content. Embedders can add
-// additional sandbox types with IDs starting with SANDBOX_TYPE_AFTER_LAST_TYPE.
+// Defines the sandbox types known within content. Embedders can add additional
+// sandbox types with IDs starting with SANDBOX_TYPE_AFTER_LAST_TYPE.
 
 enum SandboxType {
   // Not a valid sandbox type.
   SANDBOX_TYPE_INVALID = -1,
 
   SANDBOX_TYPE_FIRST_TYPE = 0,  // Placeholder to ease iteration.
 
   SANDBOX_TYPE_RENDERER = SANDBOX_TYPE_FIRST_TYPE,
 
   // Utility process is as restrictive as the worker process except full
   // access is allowed to one configurable directory.
   SANDBOX_TYPE_UTILITY,
 
   // GPU process.
   SANDBOX_TYPE_GPU,
 
   // The PPAPI plugin process.
   SANDBOX_TYPE_PPAPI,
 
   SANDBOX_TYPE_AFTER_LAST_TYPE,  // Placeholder to ease iteration.
 };
 
 }  // namespace content
 
-#endif  // CONTENT_PUBLIC_COMMON_SANDBOX_TYPE_MAC_H_
+#endif  // CONTENT_PUBLIC_COMMON_SANDBOX_TYPE_H_