message: Remove mentions to xcode_clang which has been removed.
  It has been removed upstream by
  Cr-Commit-Position: refs/heads/main@{#35383}
diff: @@ -352,21 +352,10 @@ config("common_config") {
  "-Wundef",
  ]
  - # use_xcode_clang only refers to the iOS toolchain, host binaries use
  - # chromium's clang always.
  - if (!is_nacl &&
  - (!use_xcode_clang || current_toolchain == host_toolchain)) {
  - # Flags NaCl (Clang 3.7) and Xcode 7.3 (Clang clang-703.0.31) do not
  - # recognize.
  + if (!is_nacl) {
  + # Flags NaCl (Clang 3.7) do not recognize.
  cflags += [ "-Wunused-lambda-capture" ]
  }
  -
  - if (use_xcode_clang) {
  - # This may be removed if the clang version in xcode > 12.4 includes the
  - # fix https://reviews.llvm.org/D73007.
  - # https://bugs.llvm.org/show_bug.cgi?id=44556
  - cflags += [ "-Wno-range-loop-analysis" ]
  - }
  }
  if (is_win && !is_clang) {
  