Get rid of SharedMemory::GiveToProcess.

base/memory/shared_memory.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_MEMORY_SHARED_MEMORY_H_
 #define BASE_MEMORY_SHARED_MEMORY_H_
 
 #include <stddef.h>
 
 #include <string>
@@ skipping 203 matching lines @@
   SharedMemoryHandle GetReadOnlyHandle();
 
   // Shares the shared memory to another process.  Attempts
   // to create a platform-specific new_handle which can be
   // used in a remote process to access the shared memory
   // file.  new_handle is an output parameter to receive
   // the handle for use in the remote process.
   // Returns true on success, false otherwise.
   bool ShareToProcess(ProcessHandle process,
                       SharedMemoryHandle* new_handle) {
-    return ShareToProcessCommon(process, new_handle, false);
-  }
-
-  // Logically equivalent to:
-  //   bool ok = ShareToProcess(process, new_handle);
-  //   Close();
-  //   return ok;
-  // Note that the memory is unmapped by calling this method, regardless of the
-  // return value.
-  bool GiveToProcess(ProcessHandle process,
-                     SharedMemoryHandle* new_handle) {
-    return ShareToProcessCommon(process, new_handle, true);
+    return ShareToProcessCommon(process, new_handle);
   }
 
 #if defined(OS_POSIX) && (!defined(OS_MACOSX) || defined(OS_IOS)) && \
     !defined(OS_NACL)
   using UniqueId = std::pair<dev_t, ino_t>;
 
   struct UniqueIdHash {
     size_t operator()(const UniqueId& id) const {
       return HashInts(id.first, id.second);
     }
   };
 
   // Returns a unique ID for this shared memory's handle. Note this function may
   // access file system and be slow.
   bool GetUniqueId(UniqueId* id) const;
 #endif
 
  private:
 #if defined(OS_POSIX) && !defined(OS_NACL) && !defined(OS_ANDROID) && \
     (!defined(OS_MACOSX) || defined(OS_IOS))
   bool FilePathForMemoryName(const std::string& mem_name, FilePath* path);
 #endif
 
 #if defined(OS_MACOSX)
   bool Share(SharedMemoryHandle* new_handle);
 #endif
 
   bool ShareToProcessCommon(ProcessHandle process,
-                            SharedMemoryHandle* new_handle,
-                            bool close_self);
+                            SharedMemoryHandle* new_handle);
 
 #if defined(OS_WIN)
   // If true indicates this came from an external source so needs extra checks
   // before being mapped.
   bool external_section_;
   std::wstring       name_;
   win::ScopedHandle  mapped_file_;
 #else
   // The OS primitive that backs the shared memory region.
   SharedMemoryHandle shm_;
@@ skipping 13 matching lines @@
   void*              memory_;
   bool               read_only_;
   size_t             requested_size_;
 
   DISALLOW_COPY_AND_ASSIGN(SharedMemory);
 };
 
 }  // namespace base
 
 #endif  // BASE_MEMORY_SHARED_MEMORY_H_