https://build.chromium.org/p/chromium.lkgr/builders/Mac%20ASAN%20Release/builds/4537/steps/compile/logs/stdio

[540/28065] OBJCXX obj/base/base/allocator_interception_mac.o
FAILED: obj/base/base/allocator_interception_mac.o 
export DEVELOPER_DIR=/b/c/b/Mac_ASAN_Release/src/build/mac_files/Xcode.app;  /b/c/cipd/goma/gomacc ../../third_party/llvm-build/Release+Asserts/bin/clang++ -MMD -MF obj/base/base/allocator_interception_mac.o.d -DSYSTEM_NATIVE_UTF8 -DV8_DEPRECATION_WARNINGS -DNO_TCMALLOC -DMEMORY_TOOL_REPLACES_ALLOCATOR -DMEMORY_SANITIZER_INITIAL_SIZE -DADDRESS_SANITIZER -DUSE_EXTERNAL_POPUP_MENU=1 -DDISABLE_NACL -DFULL_SAFE_BROWSING -DSAFE_BROWSING_CSD -DSAFE_BROWSING_DB_LOCAL -DCHROMIUM_BUILD -DENABLE_MEDIA_ROUTER=1 -DFIELDTRIAL_TESTING_ENABLED -DCR_CLANG_REVISION=289944-2 -DCR_XCODE_VERSION=0511 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORE=0 -DSANITIZER_COVERAGE -DNDEBUG -DNVALGRIND -DDYNAMIC_ANNOTATIONS_ENABLED=0 -DBASE_IMPLEMENTATION -I../.. -Igen -fno-strict-aliasing -fstack-protector -fcolor-diagnostics -arch x86_64 -Wall -Werror -Wextra -Wpartial-availability -Wno-missing-field-initializers -Wno-unused-parameter -Wno-c++11-narrowing -Wno-covered-switch-default -Wno-deprecated-register -Wno-unneeded-internal-declaration -Wno-inconsistent-missing-override -Wno-shift-negative-value -Wno-undefined-var-template -Wno-nonportable-include-path -Wno-address-of-packed-member -gdwarf-2 -fno-standalone-debug -isysroot /b/c/b/Mac_ASAN_Release/src/build/mac_files/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.10.sdk -mmacosx-version-min=10.9 -gline-tables-only -gcolumn-info -fno-omit-frame-pointer -fsanitize-coverage=edge -mllvm -sanitizer-coverage-prune-blocks=1 -fsanitize=address -mllvm -asan-globals=0 -fsanitize-blacklist=../../tools/memory/asan/blacklist.txt -fvisibility=hidden -Xclang -load -Xclang ../../third_party/llvm-build/Release+Asserts/lib/libFindBadConstructs.dylib -Xclang -add-plugin -Xclang find-bad-constructs -Wheader-hygiene -Wstring-conversion -Wtautological-overlap-compare -Wno-char-subscripts -Wexit-time-destructors -Wexit-time-destructors -O2 -fvisibility-inlines-hidden -std=c++11 -stdlib=libc++ -fobjc-call-cxx-cdtors -Wobjc-missing-property-synthesis -fno-rtti -fno-exceptions -c ../../base/allocator/allocator_interception_mac.mm -o obj/base/base/allocator_interception_mac.o
../../base/allocator/allocator_interception_mac.mm:373:33: error: use of undeclared identifier 'g_old_zone'
  StoreFunctionsForDefaultZone(&g_old_zone);
                                ^
1 error generated.

Regression from https://codereview.chromium.org/2658723007