Files required by a service now listed in manifest.

base/posix/global_descriptors.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 BASE_POSIX_GLOBAL_DESCRIPTORS_H_
 #define BASE_POSIX_GLOBAL_DESCRIPTORS_H_
 
 #include "build/build_config.h"
 
 #include <vector>
 #include <utility>
 
 #include <stdint.h>
 
 #include "base/files/memory_mapped_file.h"
+#include "base/files/scoped_file.h"
 #include "base/memory/singleton.h"
 
 namespace base {
 
 // It's common practice to install file descriptors into well known slot
 // numbers before execing a child; stdin, stdout and stderr are ubiqutous
 // examples.
 //
 // However, when using a zygote model, this becomes troublesome. Since the
 // descriptors which need to be in these slots generally aren't known, any code
@@ skipping 30 matching lines @@
 
   // Return the singleton instance of GlobalDescriptors.
   static GlobalDescriptors* GetInstance();
 
   // Get a descriptor given a key. It is a fatal error if the key is not known.
   int Get(Key key) const;
 
   // Get a descriptor given a key. Returns -1 on error.
   int MaybeGet(Key key) const;
 
+  // Returns a descriptor given a key and removes it from this class mappings.
+  // Also populates |region| if it's not null.
+  // It is a fatal error if the key is not known.
+  base::ScopedFD TakeFD(Key key, base::MemoryMappedFile::Region* region);
+
   // Get a region given a key. It is a fatal error if the key is not known.
   base::MemoryMappedFile::Region GetRegion(Key key) const;
 
   // Set the descriptor for the given |key|. This sets the region associated
   // with |key| to kWholeFile.
   void Set(Key key, int fd);
 
   // Set the descriptor and |region| for the given |key|.
   void Set(Key key, int fd, base::MemoryMappedFile::Region region);
 
   void Reset(const Mapping& mapping);
 
  private:
   friend struct DefaultSingletonTraits<GlobalDescriptors>;
   GlobalDescriptors();
   ~GlobalDescriptors();
 
   Mapping descriptors_;
 };
 
 }  // namespace base
 
 #endif  // BASE_POSIX_GLOBAL_DESCRIPTORS_H_