Rolling 4 dependencies

Roll third_party/SPIRV-Tools/ e2e95172d..08fcf8a4a (22 commits)

e2e95172df..08fcf8a4ab

$ git log e2e95172d..08fcf8a4a --date=short --no-merges --format='%ad %ae %s'
2019-09-19 ehsannas Fix header include syntax. (#2882)
2019-09-19 stevenperron Handle OpConstantNull in copy-prop-arrays. (#2870)
2019-09-19 dneto Fix comment typo found by protobufs linter (#2884)
2019-09-19 dsinclair Move docs into docs/ folder (#2872)
2019-09-18 dsinclair Add WebGPU SPIR-V Assembler in JavaScript. (#2876)
2019-09-18 dneto Android.mk: Add dependency from optimizer file to amd-shader-ballot-insts.inc (#2883)
2019-09-18 dneto Update SPIRV-Headers in DEPS (#2880)
2019-09-18 afdx  Fix detection of blocks bypassed by new edge (#2874)
2019-09-18 afdx Fix CMake issue related to spirv-fuzz (#2877)
2019-09-18 afdx Add fuzzer pass to replace ids with synonyms (#2857)
2019-09-18 alanbaker Relaxed bitcast with pointers (#2878)
2019-09-17 52076061+digit-google Fix Fuchsia build. (#2868)
2019-09-16 raun.krisch Adding valilidation checks for OpEntryPoint duplicate names and execution mode (#2862)
2019-09-16 alanbaker Extra resource interface validation (#2864)
2019-09-13 alanbaker Split capability tests (#2866)
2019-09-13 alanbaker SPIRV-Tools support for SPIR-V 1.5 (#2865)
2019-09-11 afdx Add fuzzer pass to copy objects (#2853)
2019-09-11 rharrison Handle another case where creating a constant can fail (#2854)
2019-09-11 stevenperron Don't inline function containing OpKill (#2842)
2019-09-11 stevenperron Handle id overflow in wrap op kill. (#2851)
2019-09-11 dneto Assembler: Can't set an ID in instruction without result ID (#2852)
2019-09-10 zoddicus Handle creating a new constant failing gracefully (#2848)

Roll third_party/glslang/ 664ad418f..f7a48b153 (14 commits)

664ad418f8..f7a48b153f

$ git log 664ad418f..f7a48b153 --date=short --no-merges --format='%ad %ae %s'
2019-09-17 cepheus SPV_KHR_physical_storage_buffer/SPV: Add GL_EXT_buffer_reference_uvec2
2019-09-16 digit Fix Fuchsia build.
2019-09-17 kainino use custom es6 modularization instead of MODULARIZE=1
2019-09-17 kainino Separate GLSLANG_WEB (min-size build) and Emscripten options
2019-09-18 cepheus README: Fix WASM typos.
2019-09-18 cepheus HLSL: Fix #1903 Catch 0-argument case to constructors.
2019-09-08 jbolz Add GL_EXT_shader_subgroup_extended_types support
2019-08-28 cepheus GLSL: Only require constant for subgroupBroadcast when SPV < 1.5.
2019-08-18 cepheus SPV: Support SPIR-V 1.5; five extensions no longer need OpExtension.
2019-09-09 laddoc Add flags for local size values ( compute shader )
2019-09-13 cepheus SPV 1.5: Switch to the 1.5 header, for SPIR-V 1.5.
2019-09-11 dsinclair Comment out params instead of removing
2019-09-10 dsinclair Remove unused params
2019-09-09 rex.xu Fix incorrect function prototypes of 64-bit findLSB/findMSB

Roll third_party/spirv-cross/ b32a1b415..5431e1da2 (7 commits)

b32a1b4150..5431e1da2d

$ git log b32a1b415..5431e1da2 --date=short --no-merges --format='%ad %ae %s'
2019-09-19 post Update SPIR-V headers.
2019-09-19 post MSL: Fix 16-bit integer literals.
2019-09-18 rharrison Update external/ to SPIR-V 1.5
2019-09-18 post CMake: Add option to force -fPIC.
2019-09-17 post Fix -Wshorten-64-to-32 warnings.
2019-09-16 post CMake: Add option to skip installation targets.
2019-09-12 post Consider discard and demote as impure statements.

Roll third_party/spirv-headers/ 38cafab37..601d73872 (2 commits)

38cafab379..601d738723

$ git log 38cafab37..601d73872 --date=short --no-merges --format='%ad %ae %s'
2019-09-18 cepheus Add SPV_KHR_physical_storage_buffer.
2019-09-13 cepheus SPIR-V 1.5.

Created with:
  roll-dep third_party/SPIRV-Tools third_party/glslang third_party/shaderc third_party/spirv-cross third_party/spirv-headers

Change-Id: I9a50caaec13661e60126b9d3e6b4fc63863d25f3
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/11381
Commit-Queue: Kai Ninomiya <kainino@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>

DEPS

@@ -50,21 +50,21 @@ deps = {
 
   # SPIRV-Cross
   'third_party/spirv-cross': {
-    'url': '{chromium_git}/external/github.com/KhronosGroup/SPIRV-Cross@b32a1b415043f5ae368e90af7a585770ecd5546e',
+    'url': '{chromium_git}/external/github.com/KhronosGroup/SPIRV-Cross@5431e1da2dc11123750f39a5ba4e5a8c117a0773',
     'condition': 'dawn_standalone',
   },
 
   # SPIRV compiler dependencies: SPIRV-Tools, SPIRV-headers, glslang and shaderc
   'third_party/SPIRV-Tools': {
-    'url': '{chromium_git}/external/github.com/KhronosGroup/SPIRV-Tools@e2e95172dffb1c0e1c9fe2daf9ee866b33fb6552',
+    'url': '{chromium_git}/external/github.com/KhronosGroup/SPIRV-Tools@08fcf8a4abdc7131033e25694be8cb71f5cf1c0e',
     'condition': 'dawn_standalone',
   },
   'third_party/spirv-headers': {
-    'url': '{chromium_git}/external/github.com/KhronosGroup/SPIRV-Headers@38cafab379e5d16137cb97a485b9385191039b92',
+    'url': '{chromium_git}/external/github.com/KhronosGroup/SPIRV-Headers@601d738723ac381741311c6c98c36d6170be14a2',
     'condition': 'dawn_standalone',
   },
   'third_party/glslang': {
-    'url': '{chromium_git}/external/github.com/KhronosGroup/glslang@664ad418f8455159fb066e9e27d159f191f976a9',
+    'url': '{chromium_git}/external/github.com/KhronosGroup/glslang@f7a48b153f2acb4549106116d420e4d9a2159e0e',
     'condition': 'dawn_standalone',
   },
   'third_party/shaderc': {