Rolling 5 dependencies

Roll third_party/SPIRV-Tools/ 5a581e738..19b256616 (14 commits)

5a581e738c..19b256616d

$ git log 5a581e738..19b256616 --date=short --no-merges --format='%ad %ae %s'
2019-09-04 zoddicus For WebGPU<->Vulkan optimization, set correct execution environment (#2834)
2019-09-04 40687079+rumblehhh Export SPIRV-Tools targets on installation (#2785)
2019-09-04 jmadill GN: Add Chromium GoogleTest deps. (#2832)
2019-09-03 stevenperron Upadate CHANGES
2019-09-03 greg Instrument: Be sure Float16 capability on when generating float16 null (#2831)
2019-09-03 greg Add --relax-float-ops and --convert-relaxed-to-half (#2808)
2019-09-03 jmadill GN: Make SPIRV-Tools target use public_deps. (#2828)
2019-09-03 stevenperron Fold Fmix should accept vector operands. (#2826)
2019-09-02 afdx Fix end comments in header files (#2829)
2019-08-30 bclayton AggressiveDCEPass: Set modified to true when appending to to_kill_ (#2825)
2019-08-30 stevenperron Replace SwizzleInvocationsAMD extended instruction. (#2823)
2019-08-30 stevenperron Replace SwizzleInvocationsMaskedAMD extended instruction. (#2822)
2019-08-30 cwallez Fix gn check (#2821)
2019-08-29 stevenperron Amd ext to khr (#2811)

Roll third_party/glslang/ 796df2d74..56f61ccce (3 commits)

796df2d74e..56f61cccef

$ git log 796df2d74..56f61ccce --date=short --no-merges --format='%ad %ae %s'
2019-09-02 lryer code refine
2019-08-30 cepheus Placeholder fix for part of #1870.
2019-08-30 cepheus Non-functional: Make whitespace/braces consistent for a recent commit.

Roll third_party/shaderc/ f4786674e..3b038fa1c (3 commits)

f4786674e3..3b038fa1c3

$ git log f4786674e..3b038fa1c --date=short --no-merges --format='%ad %ae %s'
2019-09-04 zoddicus Pass in source not target env into spirv-opt (#799)
2019-09-04 cwallez Use agreed upon include paths for spirv-cross (#795)
2019-09-03 zoddicus Rolling 5 dependencies and updating known_failures (#796)

Roll third_party/spirv-cross/ ee7357f2a..f24654db8 (13 commits)

ee7357f2a6..f24654db8c

$ git log ee7357f2a..f24654db8 --date=short --no-merges --format='%ad %ae %s'
2019-09-04 post Add test case for interlocks in control flow.
2019-09-04 post Make sure not to propagate loads outside interlock region.
2019-09-04 post Add interlock test for split functions doing begin/end.
2019-09-04 post Deal with complex interlock cases in GLSL.
2019-09-04 post Add test shader for simple case of interlocked callstack.
2019-09-04 post Deal with call stacks when analyzing access.
2019-09-04 post Analyze complex cases for fragment interlocks.
2019-08-04 cdavis Support the SPV_EXT_fragment_shader_interlock extension.
2019-08-02 cdavis MSL: Add support for sampler Y'CbCr conversion.
2019-08-30 t.roughton Clang-format changes
2019-08-30 t.roughton Update tests to account for all non-entry-point functions being inlined
2019-08-29 t.roughton Inline all non-entry-point functions
2019-06-10 t.roughton MSL: inline all emitted functions

Roll third_party/spirv-headers/ 059a49598..38cafab37 (1 commit)

059a49598c..38cafab379

$ git log 059a49598..38cafab37 --date=short --no-merges --format='%ad %ae %s'
2019-08-30 cepheus Minor tweak for Rev. 2 of SPIR-V 1.4.

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

Change-Id: Icab7f6d423709089e6793048f2578021d0688173
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/10900
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>

DEPS

@@ -50,25 +50,25 @@ deps = {
 
   # SPIRV-Cross
   'third_party/spirv-cross': {
-    'url': '{chromium_git}/external/github.com/KhronosGroup/SPIRV-Cross@ee7357f2a6a1a5539d238310b8595ac2abea9367',
+    'url': '{chromium_git}/external/github.com/KhronosGroup/SPIRV-Cross@f24654db8c6da93855803fa7fa5bed0ae3263ee5',
     '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@5a581e738c1763af89fdede98422a22df050041d',
+    'url': '{chromium_git}/external/github.com/KhronosGroup/SPIRV-Tools@19b256616d96bdad580c036bc8619706bc177d96',
     'condition': 'dawn_standalone',
   },
   'third_party/spirv-headers': {
-    'url': '{chromium_git}/external/github.com/KhronosGroup/SPIRV-Headers@059a49598c3c8e4113a67aebd93a0c2b973754de',
+    'url': '{chromium_git}/external/github.com/KhronosGroup/SPIRV-Headers@38cafab379e5d16137cb97a485b9385191039b92',
     'condition': 'dawn_standalone',
   },
   'third_party/glslang': {
-    'url': '{chromium_git}/external/github.com/KhronosGroup/glslang@796df2d74e05a8ad52bf830786b6e716014a2384',
+    'url': '{chromium_git}/external/github.com/KhronosGroup/glslang@56f61ccceffab3225da20c4751cf03a5884431c2',
     'condition': 'dawn_standalone',
   },
   'third_party/shaderc': {
-    'url': '{chromium_git}/external/github.com/google/shaderc@f4786674e39803adb0d4be4d58955306f22d4621',
+    'url': '{chromium_git}/external/github.com/google/shaderc@3b038fa1c3172c5659df35f700447abf82707e40',
     'condition': 'dawn_standalone',
   },