chrome-tot-chromeos-amd64-generic informational builds starts failing from https://uberchromegw.corp.google.com/i/chromeos.chrome/builders/chrome-tot-chromeos-amd64-generic/builds/19582

Selected error message:
[2894/5243] CXX obj/chrome/browser/media/router/router/media_router_mojo_impl.o
FAILED: obj/chrome/browser/media/router/router/media_router_mojo_impl.o 
/b/c/goma_client/gomacc x86_64-cros-linux-gnu-clang++ -B/mnt/data/b/c/b/chrome_tot_chromeos_amd64_generic/.cros_cache/chrome-sdk/tarballs/amd64-generic+10171.0.0+target_toolchain/usr/x86_64-pc-linux-gnu/x86_64-cros-linux-gnu/binutils-bin/2.27.0-gold -Wno-unknown-warning-option -MMD -MF obj/chrome/browser/media/router/router/media_router_mojo_impl.o.d -DV8_DEPRECATION_WARNINGS -DUSE_UDEV -DUSE_AURA=1 -DUSE_NSS_CERTS=1 -DUSE_OZONE=1 -DFULL_SAFE_BROWSING -DSAFE_BROWSING_CSD -DSAFE_BROWSING_DB_LOCAL -DOFFICIAL_BUILD -DGOOGLE_CHROME_BUILD -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -DNO_UNWIND_TABLES -DCR_CLANG_REVISION=\"318667-1\" -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D_FORTIFY_SOURCE=2 -DOS_CHROMEOS -DNDEBUG -DNVALGRIND -DDYNAMIC_ANNOTATIONS_ENABLED=0 -DWEBP_EXTERN=extern -DUSE_EGL -DTOOLKIT_VIEWS=1 -DU_USING_ICU_NAMESPACE=0 -DU_ENABLE_DYLOAD=0 -DU_STATIC_IMPLEMENTATION -DICU_UTIL_DATA_IMPL=ICU_UTIL_DATA_FILE -DUCHAR_TYPE=uint16_t -DGOOGLE_PROTOBUF_NO_RTTI -DGOOGLE_PROTOBUF_NO_STATIC_INITIALIZER -DHAVE_PTHREAD -DV8_USE_EXTERNAL_STARTUP_DATA -DLEVELDB_PLATFORM_CHROMIUM=1 -DSK_IGNORE_LINEONLY_AA_CONVEX_PATH_OPTS -DSK_HAS_PNG_LIBRARY -DSK_HAS_WEBP_LIBRARY -DSK_HAS_JPEG_LIBRARY -DSK_SUPPORT_GPU=1 -DMESA_EGL_NO_X11_HEADERS -DWTF_USE_WEBAUDIO_FFMPEG=1 -DWTF_USE_DEFAULT_RENDER_THEME=1 -I../.. -Igen -I../../third_party/libwebp/src -I../../third_party/khronos -I../../gpu -I../../third_party/ced/src -I../../third_party/icu/source/common -I../../third_party/icu/source/i18n -I../../third_party/protobuf/src -I../../third_party/protobuf/src -Igen/protoc_out -I../../third_party/boringssl/src/include -I/mnt/data/b/c/b/chrome_tot_chromeos_amd64_generic/.cros_cache/chrome-sdk/tarballs/amd64-generic+10171.0.0+sysroot_chromeos-base_chromeos-chrome.tar.xz/usr/include/nss -I/mnt/data/b/c/b/chrome_tot_chromeos_amd64_generic/.cros_cache/chrome-sdk/tarballs/amd64-generic+10171.0.0+sysroot_chromeos-base_chromeos-chrome.tar.xz/usr/include/nspr -I../../third_party/leveldatabase -I../../third_party/leveldatabase/src -I../../third_party/leveldatabase/src/include -I../../third_party/libwebm/source -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/encode -I../../third_party/skia/include/gpu -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/third_party/vulkan -I../../third_party/skia/src/gpu -I../../third_party/skia/src/sksl -I../../third_party/mesa/src/include -Igen -I../../third_party/WebKit -Igen/third_party/WebKit -I../../v8/include -Igen/v8/include -I../../third_party/WebKit/Source -I../../third_party/WebKit -Igen/blink -Igen/third_party/WebKit -Igen -I../../third_party/flatbuffers/src/include -fno-strict-aliasing -fno-unwind-tables -fno-asynchronous-unwind-tables -fPIC -pipe -B../../third_party/binutils/Linux_x64/Release/bin -pthread -fcolor-diagnostics -no-canonical-prefixes -m64 -march=x86-64 -Wall -Wextra -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 -O2 -fno-ident -fdata-sections -ffunction-sections -fno-omit-frame-pointer -g2 -gsplit-dwarf -ggnu-pubnames -fvisibility=hidden -Wheader-hygiene -Wstring-conversion -Wtautological-overlap-compare -Wno-header-guard -Wno-exit-time-destructors -std=gnu++14 -fno-exceptions -fno-rtti --sysroot=../../../.cros_cache/chrome-sdk/tarballs/amd64-generic+10171.0.0+sysroot_chromeos-base_chromeos-chrome.tar.xz -fvisibility-inlines-hidden -pipe -pipe -pipe -march=x86-64 -msse3 -fno-split-dwarf-inlining -fdebug-info-for-profiling -D__google_stl_debug_vector=1 -Wno-unknown-warning-option -stdlib=libc++ -Wno-inline-asm -c ../../chrome/browser/media/router/mojo/media_router_mojo_impl.cc -o obj/chrome/browser/media/router/router/media_router_mojo_impl.o
../../chrome/browser/media/router/mojo/media_router_mojo_impl.cc:591:53: error: cannot initialize a parameter of type 'mojom::MediaRouteProvider::Id' (aka 'media_router::mojom::MediaRouteProvider_Id') with an lvalue of type 'const media_router::MediaRouteProviderId'
      if (sink_availability_.IsAvailableForProvider(provider.first))
                                                    ^~~~~~~~~~~~~~
../../chrome/browser/media/router/mojo/media_router_mojo_impl.cc:542:35: note: passing argument to parameter 'provider_id' here
    mojom::MediaRouteProvider::Id provider_id) const {
                                  ^
../../chrome/browser/media/router/mojo/media_router_mojo_impl.cc:616:53: error: cannot initialize a parameter of type 'mojom::MediaRouteProvider::Id' (aka 'media_router::mojom::MediaRouteProvider_Id') with an lvalue of type 'const media_router::MediaRouteProviderId'
      if (sink_availability_.IsAvailableForProvider(provider.first))
                                                    ^~~~~~~~~~~~~~
../../chrome/browser/media/router/mojo/media_router_mojo_impl.cc:542:35: note: passing argument to parameter 'provider_id' here
    mojom::MediaRouteProvider::Id provider_id) const {
                                  ^
../../chrome/browser/media/router/mojo/media_router_mojo_impl.cc:818:49: error: cannot initialize a parameter of type 'mojom::MediaRouteProvider::Id' (aka 'media_router::mojom::MediaRouteProvider_Id') with an lvalue of type 'media_router::MediaRouteProviderId'
  if (sink_availability_.IsAvailableForProvider(provider_id)) {
                                                ^~~~~~~~~~~
../../chrome/browser/media/router/mojo/media_router_mojo_impl.cc:542:35: note: passing argument to parameter 'provider_id' here
    mojom::MediaRouteProvider::Id provider_id) const {


Suspension CL:
https://chromium-review.googlesource.com/761697 
https://chromium-review.googlesource.com/794106

takumif@, please take a look.