Clean up: Remove GlobalHistogramAllocator::CreateWithSharedMemory

base/metrics/persistent_histogram_allocator.h

 // Copyright 2016 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_METRICS_HISTOGRAM_PERSISTENCE_H_
 #define BASE_METRICS_HISTOGRAM_PERSISTENCE_H_
 
 #include <map>
 #include <memory>
 
@@ skipping 413 matching lines @@
   // Constructs a pair of names in |dir| based on name that can be used for a
   // base + active persistent memory mapped location for CreateWithActiveFile().
   // |name| will be used as the basename of the file inside |dir|.
   // |out_base_path| or |out_active_path| may be null if not needed.
   static void ConstructFilePaths(const FilePath& dir,
                                  StringPiece name,
                                  FilePath* out_base_path,
                                  FilePath* out_active_path);
 #endif
 
-  // Create a global allocator using a block of shared |memory| of the
-  // specified |size|. The allocator takes ownership of the shared memory
-  // and releases it upon destruction, though the memory will continue to
-  // live if other processes have access to it.
-  static void CreateWithSharedMemory(std::unique_ptr<SharedMemory> memory,
-                                     size_t size,
-                                     uint64_t id,
-                                     StringPiece name);
-
   // Create a global allocator using a block of shared memory accessed
   // through the given |handle| and |size|. The allocator takes ownership
   // of the handle and closes it upon destruction, though the memory will
   // continue to live if other processes have access to it.
   static void CreateWithSharedMemoryHandle(const SharedMemoryHandle& handle,
                                            size_t size);
 
   // Sets a GlobalHistogramAllocator for globally storing histograms in
   // a space that can be persisted or shared between processes. There is only
   // ever one allocator for all such histograms created by a single process.
@@ skipping 51 matching lines @@
 
   // The location to which the data should be persisted.
   FilePath persistent_location_;
 
   DISALLOW_COPY_AND_ASSIGN(GlobalHistogramAllocator);
 };
 
 }  // namespace base
 
 #endif  // BASE_METRICS_HISTOGRAM_PERSISTENCE_H_