It appears that https://codereview.chromium.org/1837253002 has broken our libfuzzer builds (it also broke our IPC fuzzer builds -- see  bug 599479 ). 

It seems that there is some missing dependency somewhere causing public/platform/modules/bluetooth/web_bluetooth.mojom.h to not get generated for certain configurations.

ortuno, could you please take a look?

See https://uberchromegw.corp.google.com/i/chromium.fyi/builders/Libfuzzer%20Upload%20Linux%20ASan/builds/928/steps/compile/logs/stdio

FAILED: ../../third_party/llvm-build/Release+Asserts/bin/clang++ -MMD -MF obj/third_party/WebKit/Source/modules/modules/Bluetooth.o.d -DBLINK_MODULES_IMPLEMENTATION=1 -DV8_DEPRECATION_WARNINGS -DCLD_VERSION=2 -DENABLE_MDNS=1 -DENABLE_NOTIFICATIONS -DENABLE_PEPPER_CDMS -DENABLE_PLUGINS=1 -DENABLE_PDF=1 -DENABLE_PRINTING=1 -DENABLE_BASIC_PRINTING=1 -DENABLE_PRINT_PREVIEW=1 -DENABLE_SPELLCHECK=1 -DUSE_UDEV -DUI_COMPOSITOR_IMAGE_TRANSPORT -DUSE_AURA=1 -DUSE_PANGO=1 -DUSE_CAIRO=1 -DUSE_CLIPBOARD_AURAX11=1 -DUSE_DEFAULT_RENDER_THEME=1 -DUSE_GLIB=1 -DUSE_OPENSSL=1 -DUSE_NSS_CERTS=1 -DUSE_NSS_VERIFIER=1 -DUSE_X11=1 -DNO_TCMALLOC -DMEMORY_TOOL_REPLACES_ALLOCATOR -DMEMORY_SANITIZER_INITIAL_SIZE -DADDRESS_SANITIZER -DENABLE_WEBRTC=1 -DDISABLE_NACL -DENABLE_EXTENSIONS=1 -DENABLE_TASK_MANAGER=1 -DENABLE_THEMES=1 -DENABLE_CAPTIVE_PORTAL_DETECTION=1 -DENABLE_SESSION_SERVICE=1 -DENABLE_APP_LIST=1 -DENABLE_SETTINGS_APP=1 -DENABLE_SUPERVISED_USERS=1 -DENABLE_SERVICE_DISCOVERY=1 -DENABLE_AUTOFILL_DIALOG=1 -DENABLE_TOPCHROME_MD=1 -DUSE_PROPRIETARY_CODECS -DFULL_SAFE_BROWSING -DSAFE_BROWSING_CSD -DSAFE_BROWSING_DB_LOCAL -DCHROMIUM_BUILD -DENABLE_MEDIA_ROUTER=1 -DFIELDTRIAL_TESTING_ENABLED -DCR_CLANG_REVISION=264915-1 -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -DNDEBUG -DNVALGRIND -DDYNAMIC_ANNOTATIONS_ENABLED=0 -DBLINK_IMPLEMENTATION=1 -DINSIDE_BLINK -DGL_GLEXT_PROTOTYPES -DSK_IGNORE_LINEONLY_AA_CONVEX_PATH_OPTS -DSK_SUPPORT_GPU=1 -DENABLE_LAYOUT_UNIT_IN_INLINE_BOXES=0 -DENABLE_OILPAN=1 -DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1 -DENABLE_INPUT_MULTIPLE_FIELDS_UI=1 -DWTF_USE_ICCJPEG=1 -DWTF_USE_QCMSLIB=1 -DWTF_USE_WEBAUDIO_FFMPEG=1 -DWTF_USE_DEFAULT_RENDER_THEME=1 -DU_USING_ICU_NAMESPACE=0 -DU_ENABLE_DYLOAD=0 -DU_NOEXCEPT= -DU_STATIC_IMPLEMENTATION -DCHROME_PNG_WRITE_SUPPORT -DPNG_USER_CONFIG -DLIBXSLT_STATIC -DUSE_LIBJPEG_TURBO=1 -I../.. -Igen -I../../third_party/WebKit/Source -I../../third_party/WebKit -Igen/blink -Igen/third_party/WebKit -I../../build/linux/debian_wheezy_amd64-sysroot/usr/include/glib-2.0 -I../../build/linux/debian_wheezy_amd64-sysroot/usr/lib/x86_64-linux-gnu/glib-2.0/include -I../../third_party/khronos -I../../gpu -I../../third_party/libwebp -I../../third_party/WebKit/Source -Igen/blink -I../../skia/config -I../../skia/ext -I../../third_party/skia/include/c -I../../third_party/skia/include/config -I../../third_party/skia/include/core -I../../third_party/skia/include/effects -I../../third_party/skia/include/images -I../../third_party/skia/include/lazy -I../../third_party/skia/include/pathops -I../../third_party/skia/include/pdf -I../../third_party/skia/include/pipe -I../../third_party/skia/include/ports -I../../third_party/skia/include/utils -I../../third_party/skia/include/gpu -I../../third_party/skia/src/gpu -I../../third_party/icu/source/common -I../../third_party/icu/source/i18n -I../../third_party/angle/include -I../../third_party/iccjpeg -I../../third_party/libpng -I../../third_party/zlib -I../../third_party/libxml/src/include -I../../third_party/libxml/linux/include -I../../third_party/libxslt -I../../third_party/npapi -I../../third_party/npapi/bindings -I../../third_party/ots/include -I../../third_party/qcms/src -I../../third_party/snappy/src -I../../third_party/snappy/linux -I../../v8/include -I../../third_party/libjpeg_turbo -fno-strict-aliasing --param=ssp-buffer-size=4 -fstack-protector -funwind-tables -fPIC -pipe -B../../third_party/binutils/Linux_x64/Release/bin -fcolor-diagnostics -fdebug-prefix-map=/b/build/slave/Libfuzzer_Upload_Linux_ASan/build/src=. -pthread -m64 -march=x86-64 -Wall -Werror -Wextra -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 -O2 -fno-ident -fdata-sections -ffunction-sections -g1 --sysroot=../../build/linux/debian_wheezy_amd64-sysroot -gline-tables-only -fno-omit-frame-pointer -fsanitize=address -fsanitize-blacklist=../../tools/memory/asan/blacklist.txt -fsanitize-coverage=edge,indirect-calls,8bit-counters -mllvm -sanitizer-coverage-prune-blocks=1 -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-templates -Xclang -plugin-arg-find-bad-constructs -Xclang follow-macro-expansion -Wheader-hygiene -Wstring-conversion -Xclang -load -Xclang ../../third_party/llvm-build/Release+Asserts/lib/libBlinkGCPlugin.so -Xclang -add-plugin -Xclang blink-gc-plugin -Xclang -plugin-arg-blink-gc-plugin -Xclang enable-oilpan -DLIBXML_STATIC= -fno-threadsafe-statics -fvisibility-inlines-hidden -std=gnu++11 -fno-rtti -nostdinc++ -isystem../../buildtools/third_party/libc++/trunk/include -isystem../../buildtools/third_party/libc++abi/trunk/include -fno-exceptions -c ../../third_party/WebKit/Source/modules/bluetooth/Bluetooth.cpp -o obj/third_party/WebKit/Source/modules/modules/Bluetooth.o
In file included from ../../third_party/WebKit/Source/modules/bluetooth/Bluetooth.cpp:13:
In file included from ../../third_party/WebKit/Source/modules/bluetooth/BluetoothError.h:9:
../../third_party/WebKit/public/platform/modules/bluetooth/WebBluetoothError.h:8:10: fatal error: 'public/platform/modules/bluetooth/web_bluetooth.mojom.h' file not found
#include "public/platform/modules/bluetooth/web_bluetooth.mojom.h"