Revert of Pass both 32 and 64 bit snapshot and natives fds to child processes.

gin/v8_initializer.h

 // Copyright 2013 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 GIN_V8_INITIALIZER_H_
 #define GIN_V8_INITIALIZER_H_
 
 #include <stdint.h>
 
 #include "base/files/file.h"
@@ skipping 47 matching lines @@
   // Use with LoadV8NativesFromFD().
   // Asserts if the file does not exist.
   static base::PlatformFile GetOpenNativesFileForChildProcesses(
       base::MemoryMappedFile::Region* region_out);
 
   // Opens (unless already cached) and returns the V8 snapshot file.
   // Use with LoadV8SnapshotFromFD().
   // Will return -1 if the file does not exist.
   static base::PlatformFile GetOpenSnapshotFileForChildProcesses(
       base::MemoryMappedFile::Region* region_out);
-
-#if defined(OS_ANDROID)
-  static base::PlatformFile GetOpenNativesFileForChildProcesses(
-      base::MemoryMappedFile::Region* region_out,
-      bool abi_32_bit);
-  static base::PlatformFile GetOpenSnapshotFileForChildProcesses(
-      base::MemoryMappedFile::Region* region_out,
-      bool abi_32_bit);
-
-  static base::FilePath GetNativesFilePath(bool abi_32_bit);
-  static base::FilePath GetSnapshotFilePath(bool abi_32_bit);
-#endif
-
 #endif  // V8_USE_EXTERNAL_STARTUP_DATA
 };
 
 }  // namespace gin
 
 #endif  // GIN_V8_INITIALIZER_H_