https://chromium.googlesource.com/chromium/src/+/c794cf6057400281fad24cdb86a990ef224cfa25 made base/location.h include debugging_flags.h, but locally I'm getting:

[3655/61673] CXX obj/remoting/host/security_key/main/remote_security_key_main.o
FAILED: obj/remoting/host/security_key/main/remote_security_key_main.o 
/usr/local/google/home/thakis/goma/gomacc ../../third_party/llvm-build/Release+Asserts/bin/clang++ -MMD -MF obj/remoting/host/security_key/main/remote_security_key_main.o.d -DHOST_IMPLEMENTATION -DV8_DEPRECATION_WARNINGS -DUSE_UDEV -DUSE_AURA=1 -DUSE_GLIB=1 -DUSE_NSS_CERTS=1 -DUSE_X11=1 -DFULL_SAFE_BROWSING -DSAFE_BROWSING_CSD -DSAFE_BROWSING_DB_LOCAL -DCHROMIUM_BUILD -DFIELDTRIAL_TESTING_ENABLED -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -DCR_CLANG_REVISION=\"321529-2\" -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -DCOMPONENT_BUILD -D_DEBUG -DDYNAMIC_ANNOTATIONS_ENABLED=1 -DWTF_USE_DYNAMIC_ANNOTATIONS=1 -D_GLIBCXX_DEBUG=1 -I../.. -Igen -fno-strict-aliasing --param=ssp-buffer-size=4 -fstack-protector -Wno-builtin-macro-redefined -D__DATE__= -D__TIME__= -D__TIMESTAMP__= -funwind-tables -fPIC -pipe -B../../third_party/binutils/Linux_x64/Release/bin -pthread -fcolor-diagnostics -Xclang -mllvm -Xclang -instcombine-lower-dbg-declare=0 -no-canonical-prefixes -m64 -march=x86-64 -Wall -Werror -Wextra -Wthread-safety -Wno-missing-field-initializers -Wno-unused-parameter -Wno-c++11-narrowing -Wno-covered-switch-default -Wno-unneeded-internal-declaration -Wno-inconsistent-missing-override -Wno-undefined-var-template -Wno-nonportable-include-path -Wno-address-of-packed-member -Wno-unused-lambda-capture -Wno-user-defined-warnings -Wno-enum-compare-switch -Wno-tautological-unsigned-zero-compare -Wno-null-pointer-arithmetic -Wno-tautological-constant-compare -Wtautological-constant-out-of-range-compare -O0 -fno-omit-frame-pointer -g0 -fvisibility=hidden -Xclang -load -Xclang ../../third_party/llvm-build/Release+Asserts/lib/libFindBadConstructs.so -Xclang -add-plugin -Xclang find-bad-constructs -Xclang -plugin-arg-find-bad-constructs -Xclang check-ipc -Wheader-hygiene -Wstring-conversion -Wtautological-overlap-compare -Wno-undefined-bool-conversion -Wno-tautological-undefined-compare -std=gnu++14 -fno-exceptions -fno-rtti -nostdinc++ -isystem../../buildtools/third_party/libc++/trunk/include -isystem../../buildtools/third_party/libc++abi/trunk/include --sysroot=../../build/linux/debian_stretch_amd64-sysroot -fvisibility-inlines-hidden -c ../../remoting/host/security_key/remote_security_key_main.cc -o obj/remoting/host/security_key/main/remote_security_key_main.o
In file included from ../../remoting/host/security_key/remote_security_key_main.cc:13:
In file included from ../../base/message_loop/message_loop.h:17:
In file included from ../../base/message_loop/incoming_task_queue.h:13:
In file included from ../../base/pending_task.h:13:
../../base/location.h:14:10: fatal error: 'base/debug/debugging_flags.h' file not found
#include "base/debug/debugging_flags.h"
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
[56789/61673] CXX obj/third_party/WebKit/Source/modules/modules_testing/InternalsVibration.o^C
ninja: build stopped: interrupted by user.



Looks like we forgot to add some dep.

brettw, you probably long for a 20% project in your old playgrounds, so giving this to you.