Remove base::SharedMemory::ShareToProcess.

base/memory/shared_memory_win.cc

 // Copyright (c) 2011 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.
 
 #include "base/memory/shared_memory.h"
 
 #include <aclapi.h>
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 322 matching lines @@
   if (!::DuplicateHandle(process, mapped_file_.Get(), process, &result,
                          FILE_MAP_READ | SECTION_QUERY, FALSE, 0)) {
     return SharedMemoryHandle();
   }
   SharedMemoryHandle handle =
       SharedMemoryHandle(result, base::GetProcId(process));
   handle.SetOwnershipPassesToIPC(true);
   return handle;
 }
 
-bool SharedMemory::ShareToProcessCommon(ProcessHandle process,
-                                        SharedMemoryHandle* new_handle) {
-  *new_handle = SharedMemoryHandle();
-  DWORD access = FILE_MAP_READ | SECTION_QUERY;
-  DWORD options = 0;
-  HANDLE mapped_file = mapped_file_.Get();
-  HANDLE result;
-  if (!read_only_)
-    access |= FILE_MAP_WRITE;
-
-  if (!::DuplicateHandle(GetCurrentProcess(), mapped_file, process, &result,
-                         access, FALSE, options)) {
-    return false;
-  }
-  *new_handle = SharedMemoryHandle(result, base::GetProcId(process));
-  new_handle->SetOwnershipPassesToIPC(true);
-  return true;
-}
-
-
 void SharedMemory::Close() {
   mapped_file_.Close();
 }
 
 SharedMemoryHandle SharedMemory::handle() const {
   return SharedMemoryHandle(mapped_file_.Get(), base::GetCurrentProcId());
 }
 
 SharedMemoryHandle SharedMemory::TakeHandle() {
   SharedMemoryHandle handle(mapped_file_.Take(), base::GetCurrentProcId());
   handle.SetOwnershipPassesToIPC(true);
   memory_ = nullptr;
   mapped_size_ = 0;
   return handle;
 }
 
 }  // namespace base