Enable the allocator shim on Linux Desktop / CrOS

build/common.gypi

 # 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.
 
 # IMPORTANT:
 # Please don't directly include this file if you are building via gyp_chromium,
 # since gyp_chromium is automatically forcing its inclusion.
 {
   # Variables expected to be overriden on the GYP command line (-D) or by
   # ~/.gyp/include.gypi.
@@ skipping 2226 matching lines @@
         # If you change these, also change build/config/clang/BUILD.gn.
         'clang_chrome_plugins_flags%':
           '<(clang_dynlib_flags)'
           '-Xclang -add-plugin -Xclang find-bad-constructs <(clang_plugin_args)',
       }],
       ['asan==1 or msan==1 or lsan==1 or tsan==1', {
         'clang%': 1,
         'use_allocator%': 'none',
         'use_sanitizer_options%': 1,
       }],
-
+      ['OS=="linux" and asan==0 and msan==0 and lsan==0 and tsan==0 and build_for_tool==""', {
+        'use_experimental_allocator_shim%': 1,
+      }],
       ['OS=="linux" and asan==0 and msan==0 and lsan==0 and tsan==0', {
         # PNaCl toolchain Non-SFI build only supports linux OS build.
         # Also, it does not support sanitizers.
         'enable_nacl_nonsfi_test%': 1,
       }],
       ['asan==1 and OS=="linux" and chromeos==0', {
         'use_custom_libcxx%': 1,
       }],
       ['ubsan==1', {
         'clang%': 1,
@@ skipping 4096 matching lines @@
     # settings in target dicts.  SYMROOT is a special case, because many other
     # Xcode variables depend on it, including variables such as
     # PROJECT_DERIVED_FILE_DIR.  When a source group corresponding to something
     # like PROJECT_DERIVED_FILE_DIR is added to a project, in order for the
     # files to appear (when present) in the UI as actual files and not red
     # red "missing file" proxies, the correct path to PROJECT_DERIVED_FILE_DIR,
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }