base/allocator: Remove an unused header

base/allocator/allocator_shim_default_dispatch_to_mac_zoned_malloc.h
is unused.  Removes it.

Change-Id: I26e88508c972b3912849269845ca873e838d3425
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2428289Reviewed-by: Kentaro Hara <haraken@chromium.org>
Reviewed-by: Benoit L <lizeb@chromium.org>
Commit-Queue: Yuki Shiino <yukishiino@chromium.org>
Cr-Commit-Position: refs/heads/master@{#810352}

base/BUILD.gn

@@ -1342,7 +1342,6 @@ component("base") {
       if (is_apple) {
         sources += [
           "allocator/allocator_shim_default_dispatch_to_mac_zoned_malloc.cc",
-          "allocator/allocator_shim_default_dispatch_to_mac_zoned_malloc.h",
         ]
       }
       if (is_chromeos || is_linux) {

base/allocator/allocator_shim_default_dispatch_to_mac_zoned_malloc.cc

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "base/allocator/allocator_shim_default_dispatch_to_mac_zoned_malloc.h"
-
 #include <utility>
 
 #include "base/allocator/allocator_interception_mac.h"

base/allocator/allocator_shim_default_dispatch_to_mac_zoned_malloc.h

-// Copyright 2017 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_ALLOCATOR_ALLOCATOR_SHIM_DEFAULT_DISPATCH_TO_ZONED_MALLOC_H_
-#define BASE_ALLOCATOR_ALLOCATOR_SHIM_DEFAULT_DISPATCH_TO_ZONED_MALLOC_H_
-
-namespace base {
-namespace allocator {
-
-}  // namespace allocator
-}  // namespace base
-
-#endif  // BASE_ALLOCATOR_ALLOCATOR_SHIM_DEFAULT_DISPATCH_TO_ZONED_MALLOC_H_