Move libc++ and libc++abi to buildtools.

DEPS

 # This file is used to manage the dependencies of the Chromium src repo. It is
 # used by gclient to determine what version of each dependency to check out, and
 # where.
 #
 # For more information, please refer to the official documentation:
 #   https://sites.google.com/a/chromium.org/dev/developers/how-tos/get-the-code
 #
 # When adding a new dependency, please update the top-level .gitignore file
 # to list the dependency's destination directory.
 #
@@ skipping 15 matching lines @@
 #  git cl upload
 
 
 vars = {
   # Use this googlecode_url variable only if there is an internal mirror for it.
   # If you do not know, use the full path while defining your new deps entry.
   'googlecode_url': 'http://%s.googlecode.com/svn',
   'sourceforge_url': 'http://svn.code.sf.net/p/%(repo)s/code',
   'llvm_url': 'http://src.chromium.org/llvm-project',
   'llvm_git': 'https://llvm.googlesource.com',
-  'libcxx_revision': '48198f9110397fff47fe7c37cbfa296be7d44d3d',
-  'libcxxabi_revision': '4ad1009ab3a59fa7a6896d74d5e4de5885697f95',
   'webkit_trunk': 'http://src.chromium.org/blink/trunk',
   'webkit_revision': 'a0f9118a1a8e6c9214ec7c88c9c2bafc73721837', # from svn revision 187517
   'chromium_git': 'https://chromium.googlesource.com',
   'chromiumos_git': 'https://chromium.googlesource.com/chromiumos',
   'pdfium_git': 'https://pdfium.googlesource.com',
   'skia_git': 'https://skia.googlesource.com',
   'boringssl_git': 'https://boringssl.googlesource.com',
   'libvpx_revision': 'd3f3dcefb055656807e8a2f65a322bbb13cd05a4',
   'sfntly_revision': '1bdaae8fc788a5ac8936d68bf24f37d977a13dac',
   'skia_revision': 'cf1ea73edc8110ad7e250cc0072585ec58d094b4',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and V8 without interference from each other.
   'v8_branch': 'trunk',
   'v8_revision': '5596a56aa563cc88d31092cf5c2deeab53b6d630',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling WebRTC
   # and V8 without interference from each other.
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling swarming_client
   # and whatever else without interference from each other.
   'swarming_revision': 'd6727c37b7c0f87858a6721ec0a666a75dec2732',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling ANGLE
   # and whatever else without interference from each other.
   'angle_revision': '797ff4c0ecf1b4950f6948175ea38ccbe888de7f',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling build tools
   # and whatever else without interference from each other.
-  'buildtools_revision': '4995faa4a7ad968f1fa1917c26edd5cea295582f',
+  'buildtools_revision': 'TODO',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling PDFium
   # and whatever else without interference from each other.
   'pdfium_revision': 'f6505100fc132ef866adaf3ff1fb7f06d0ca7a9b',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling openmax_dl
   # and whatever else without interference from each other.
   'openmax_dl_revision': '01642706d2b37cb7b9db84add870ea0fdabdf5ad',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling BoringSSL
@@ skipping 71 matching lines @@
 
   'src/third_party/safe_browsing/testing':
     Var('chromium_git') + '/external/google-safe-browsing/testing.git' + '@' + '9d7e8064f3ca2e45891470c9b5b1dce54af6a9d6',
 
   'src/third_party/cacheinvalidation/src':
     Var('chromium_git') + '/external/google-cache-invalidation-api/src.git' + '@' + 'c91bd9d9fed06bf440be64f87b94a2effdb32bc4', # from svn revision 341
 
   'src/third_party/leveldatabase/src':
     Var('chromium_git') + '/external/leveldb.git' + '@' + '251ebf5dc70129ad3c38193fe6c99a5b0ec6b9fa',
 
-  'src/third_party/libc++/trunk':
-   Var('chromium_git') + '/chromium/llvm-project/libcxx.git' + '@' +  Var('libcxx_revision'),
-
-  'src/third_party/libc++abi/trunk':
-   Var('chromium_git') + '/chromium/llvm-project/libcxxabi.git' + '@' +  Var('libcxxabi_revision'),
-
   'src/third_party/snappy/src':
     Var('chromium_git') + '/external/snappy.git' + '@' + '762bb32f0c9d2f31ba4958c7c0933d22e80c20bf',
 
   'src/tools/grit':
     Var('chromium_git') + '/external/grit-i18n.git' + '@' + 'ba706f5aa055960b40927d7e5b42186acac9c5e6', # from svn revision 184
 
   'src/tools/gyp':
     Var('chromium_git') + '/external/gyp.git' + '@' + 'fe00999dfaee449d3465a9316778434884da4fa7', # from svn revision 2010
 
   'src/tools/swarming_client':
@@ skipping 610 matching lines @@
     # corresponding .py files have already been deleted.
     'name': 'remove_stale_pyc_files',
     'pattern': 'src/tools/.*\\.py',
     'action': [
         'python',
         'src/tools/remove_stale_pyc_files.py',
         'src/tools',
     ],
   },
 ]