.gclient

solutions = [
  { "name"        : 'src',
    "url"         : 'https://github.com/blueboxd/chromium-legacy.git',
    "deps_file"   : 'DEPS',
    "managed"     : False,
    "custom_deps" : {
    },
    "custom_vars": {
      "checkout_pgo_profiles": False,
    },
  },
]

args.gn

clang_use_chrome_plugins = false
treat_warnings_as_errors = false
use_custom_libcxx = true
use_lld = false
use_thin_lto = false
fatal_linker_warnings = false

is_debug = false
is_component_build = false
is_official_build = true
symbol_level = 2
enable_dsyms = false
enable_stripping = false
optimize_webui = true

chrome_pgo_phase = 0

mac_deployment_target = "10.7"
mac_min_system_version = "10.7"
mac_sdk_name="macosx"

enable_nacl = false
media_use_ffmpeg = true
media_use_libvpx = true
proprietary_codecs = true
ffmpeg_branding = "Chrome"
enable_widevine = true
enable_hangout_services_extension = true

build.sh

#!/bin/bash
mkdir -pv chromium-project && cd chromium-project
git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git && export PATH=`pwd`/depot_tools:"$PATH"
mkdir -pv chromium-legacy && cd chromium-legacy
curl -OJL https://gist.githubusercontent.com/blueboxd/c1f355fb6fe829e98ff5453880683993/raw/9d97a2c622c206fd7bc03ec891ad89dd58be4004/.gclient
gclient sync -v
pushd src/third_party/skia
git remote add github https://github.com/blueboxd/skia.git
git fetch github && git checkout for-lion && git checkout for-lion -- .
popd
pushd src/third_party/angle/
git remote add github https://github.com/blueboxd/angle.git
git fetch github && git checkout master.lion && git checkout master.lion -- .
popd
pushd src/third_party/dawn/
git remote add github https://github.com/blueboxd/dawn.git
git fetch github && git checkout master.lion && git checkout master.lion -- .
popd
pushd src/third_party/swiftshader/
git remote add github https://github.com/blueboxd/swiftshader.git
git fetch github && git checkout master.lion && git checkout master.lion -- .
popd
pushd src/third_party/vulkan_memory_allocator/
git remote add github https://github.com/blueboxd/vulkan_memory_allocator.git
git fetch github && git checkout master.lion && git checkout master.lion -- .
popd
pushd src/third_party/webrtc/
git remote add github https://github.com/blueboxd/webrtc.git
git fetch github && git checkout master.lion && git checkout master.lion -- .
popd
pushd src/third_party/libc++/src
git remote add github https://github.com/blueboxd/libcxx.git
git fetch github && git checkout master.lion && git checkout master.lion -- .
popd
pushd src/third_party/boringssl/src
git remote add github https://github.com/blueboxd/boringssl.git
git fetch github && git checkout master.lion && git checkout master.lion -- .
popd
mkdir -pv out/release && pushd out/release
curl -OJL https://gist.githubusercontent.com/blueboxd/c1f355fb6fe829e98ff5453880683993/raw/9d97a2c622c206fd7bc03ec891ad89dd58be4004/args.gn
popd
cd src
gn gen ../out/release
time ninja -C ../out/release chrome
open -R ../out/release/Chromium.app