Move logic from memory_mac to allocator_interception_mac.

base/BUILD.gn

 # Copyright (c) 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.
 
 # HOW TO WRITE CONDITIONALS IN THIS FILE
 # ======================================
 #
 # In many other places, one would write a conditional that expresses all the
 # cases when a source file is used or unused, and then either add or subtract
 # it from the sources list in that case
@@ skipping 131 matching lines @@
     # fixed and this target should always be a static_library in the
     # non-component case.
     static_component_type = "source_set"
   }
 
   sources = [
     "allocator/allocator_check.cc",
     "allocator/allocator_check.h",
     "allocator/allocator_extension.cc",
     "allocator/allocator_extension.h",
+    "allocator/allocator_interception_mac.h",
+    "allocator/allocator_interception_mac.mm",
     "allocator/allocator_shim.h",
     "allocator/oom.h",
     "android/animation_frame_time_histogram.cc",
     "android/animation_frame_time_histogram.h",
     "android/apk_assets.cc",
     "android/apk_assets.h",
     "android/application_status_listener.cc",
     "android/application_status_listener.h",
     "android/base_jni_onload.cc",
     "android/base_jni_onload.h",
@@ skipping 2426 matching lines @@
 }
 
 fuzzer_test("base_json_correctness_fuzzer") {
   sources = [
     "json/correctness_fuzzer.cc",
   ]
   deps = [
     ":base",
   ]
 }