Roll src/third_party/SPIRV-Tools/src/ 714bf84e5..ef678672f (15 commits)

$ git log 714bf84e5..ef678672f --date=short --no-merges --format='%ad %ae %s'
2018-08-14 dj2 Remove source/message.h (#1838)
2018-08-14 dj2 Use MakeUnique. (#1837)
2018-08-14 dj2 Move make_unique to source/util. (#1836)
2018-08-14 31666470+s-perron Don't copy decorations twice when rebuilding a type. (#1835)
2018-08-13 alanbaker Validate correct opcode uses of OpFunction
2018-08-14 dj2 Move bit_stream, move_to_front and huffman_codec. (#1833)
2018-08-14 33432579+alan-baker Disallow void types in structs (#1832)
2018-08-10 alanbaker Split function opcode validation into new files.
2018-08-13 dj2 Remove unused stats maps and parameters (#1828)
2018-08-13 alanbaker Fixing heap overflow in validation.
2018-08-13 31666470+s-perron Reenable --skip-validation. (#1820)
2018-08-13 dj2 Move spirv_stats into tools/stats. (#1826)
2018-08-10 alanbaker Move cfg opcode validation to another file.
2018-08-13 dj2 Remove codegen related code. (#1819)
2018-08-09 dj2 Split MarkV into multiple files (#1809)

Created with:
  roll-dep src/third_party/SPIRV-Tools/src

TBR=dneto@chromium.org

Change-Id: I588a47727c7ad0808a10f6003ef6bd004665b591
Reviewed-on: https://chromium-review.googlesource.com/1175010Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
Cr-Commit-Position: refs/heads/master@{#583098}

DEPS

@@ -213,11 +213,11 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.
-  'spv_tools_revision': '714bf84e58abd9573488fc365707fb8f288ca73c',
+  'spv_tools_revision': 'ef678672fb04ee396c1c8de755f714f1c3d65267',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.
-  'spv_headers_revision': 'ff684ffc6a35d2a58f0f63108877d0064ea33feb',
+  'spv_headers_revision': '2c512180ca03b5d4f56283efc85745775b45fdc4',
 }
 
 # Only these hosts are allowed for dependencies in this DEPS file.