Add Clang static analyzer support to Clang toolchain defs in GN.
If "use_clang_static_analyzer" is enabled in args.gn, Clang builds will redirect compilation to use Clang's ccc-analyzer and cxx-analyzer for static analysis.

Review-Url: https://codereview.chromium.org/2617283002
Cr-Original-Commit-Position: refs/heads/master@{#445854}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 520f95147c821e13003362194a5de003a9f5c8f9
5 files changed