Hey Fady, looks like your change r404498 caused a compile failure on chromium.perf.

First failing build:
https://build.chromium.org/p/chromium.perf/builders/Win%20x64%20Builder/builds/10410

Log:
[421/3953] CXX obj/cc/cc_perftests/cc_serialization_perftest.obj
FAILED: obj/cc/cc_perftests/cc_serialization_perftest.obj 
ninja -t msvc -e environment.x64 -- C:\b\build\slave\cache\cipd\goma/gomacc.exe "C:\b\depot_tools\win_toolchain\vs_files\95ddda401ec5678f15eeed01d2bee08fcbc5ee97\VC\bin\amd64/cl.exe" /nologo /showIncludes /FC @obj/cc/cc_perftests/cc_serialization_perftest.obj.rsp /c ../../cc/ipc/cc_serialization_perftest.cc /Foobj/cc/cc_perftests/cc_serialization_perftest.obj /Fd"obj/cc/cc_perftests_cc.pdb"
c:\b\build\slave\win_x64_builder\build\src\mojo\public\cpp\bindings\lib\serialization.h(92): error C2220: warning treated as error - no 'object' file generated
c:\b\build\slave\win_x64_builder\build\src\out\release_x64\gen\cc\ipc\compositor_frame.mojom.h(130): note: see reference to function template instantiation 'bool mojo::internal::StructDeserializeImpl<cc::mojom::CompositorFramePtr,mojo::Array<uint8_t>,UserType>(const DataArrayType &,UserType *)' being compiled
        with
        [
            UserType=cc::CompositorFrame,
            DataArrayType=mojo::Array<uint8_t>
        ]
c:\b\build\slave\win_x64_builder\build\src\cc\ipc\cc_serialization_perftest.cc(119): note: see reference to function template instantiation 'bool cc::mojom::CompositorFrame::Deserialize<cc::CompositorFrame>(const mojo::Array<uint8_t> &,UserType *)' being compiled
        with
        [
            UserType=cc::CompositorFrame
        ]