UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3189.0 Safari/537.36

Steps to reproduce the problem:
1. ninja -C out/Release chrome

What is the expected behavior?
Build success

What went wrong?
FAILED: obj/third_party/crashpad/crashpad/util/util/memory_map.o 
mips64el-linux-gnu-g++ -MMD -MF obj/third_party/crashpad/crashpad/util/util/memory_map.o.d -DV8_DEPRECATION_WARNINGS -DUSE_UDEV -DUSE_AURA=1 -DUSE_GLIB=1 -DUSE_NSS_CERTS=1 -DUSE_X11=1 -DNO_TCMALLOC -DFULL_SAFE_BROWSING -DSAFE_BROWSING_CSD -DSAFE_BROWSING_DB_LOCAL -DCHROMIUM_BUILD -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D_FORTIFY_SOURCE=2 -D_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS -D_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS -DCR_LIBCXX_REVISION=329375 -DCR_LIBCXXABI_REVISION=331450 -DNDEBUG -DNVALGRIND -DDYNAMIC_ANNOTATIONS_ENABLED=0 -DGLIB_VERSION_MAX_ALLOWED=GLIB_VERSION_2_32 -DGLIB_VERSION_MIN_REQUIRED=GLIB_VERSION_2_26 -DCRASHPAD_ZLIB_SOURCE_EXTERNAL -Igen/third_party/crashpad/crashpad -I../.. -Igen -I../../third_party/crashpad/crashpad -I../../third_party/crashpad/crashpad/compat/linux -I../../third_party/crashpad/crashpad/compat/non_win -I../../third_party/zlib -fno-strict-aliasing --param=ssp-buffer-size=4 -fstack-protector -Wno-builtin-macro-redefined -D__DATE__= -D__TIME__= -D__TIMESTAMP__= -funwind-tables -fPIC -pipe -pthread -EL -mabi=64 -mips64r2 -Wa,-mips64r2 -Wall -Wno-unused-local-typedefs -Wno-maybe-uninitialized -Wno-deprecated-declarations -fno-delete-null-pointer-checks -Wno-comments -Wno-missing-field-initializers -Wno-unused-parameter -O2 -fno-ident -fdata-sections -ffunction-sections -fno-omit-frame-pointer -g0 -fno-builtin-abs -fvisibility=hidden -isystem../../../../../../../usr/include/glib-2.0 -isystem../../../../../../../usr/lib64/glib-2.0/include -std=gnu++14 -Wno-narrowing -fno-exceptions -fno-rtti -nostdinc++ -isystem../../buildtools/third_party/libc++/trunk/include -isystem../../buildtools/third_party/libc++abi/trunk/include -fvisibility-inlines-hidden -c ../../third_party/crashpad/crashpad/util/linux/memory_map.cc -o obj/third_party/crashpad/crashpad/util/util/memory_map.o
In file included from ../../third_party/crashpad/crashpad/util/linux/ptrace_connection.h:23:0,
                 from ../../third_party/crashpad/crashpad/util/linux/memory_map.h:25,
                 from ../../third_party/crashpad/crashpad/util/linux/memory_map.cc:15:
../../third_party/crashpad/crashpad/util/linux/thread_info.h:71:2: error: #error Port.
 #error Port.
  ^
../../third_party/crashpad/crashpad/util/linux/thread_info.h:114:2: error: #error Port.
 #error Port.
  ^
../../third_party/crashpad/crashpad/util/linux/thread_info.h:123:2: error: #error Port.
 #error Port.
  ^
../../third_party/crashpad/crashpad/util/linux/thread_info.h:187:2: error: #error Port.
 #error Port.
  ^
../../third_party/crashpad/crashpad/util/linux/thread_info.h:215:2: error: #error Port.
 #error Port.
  ^
../../third_party/crashpad/crashpad/util/linux/thread_info.h:241:2: error: #error Port.
 #error Port.
  ^
../../third_party/crashpad/crashpad/util/linux/thread_info.h:129:41: error: ‘NativeT

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