Rolling 5 dependencies

Roll third_party/SPIRV-Tools/ 4c027048d..25ede1ced (8 commits)

https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools/+log/4c027048d88b..25ede1ced679

$ git log 4c027048d..25ede1ced --date=short --no-merges --format='%ad %ae %s'
2020-03-16 jmadill Roll external/spirv-headers/ 30ef660ce..a17e17e36 (1 commit) (#3230)
2020-03-13 vasniktel Update dependencies (#3228)
2020-03-12 greg Instrument: Debug Printf support (#3215)
2020-03-12 vasniktel spirv-fuzz: Support OpPhi when adding dead break and continue (#3225)
2020-03-12 afdx spirv-fuzz: Fix vector width issue in 'add equation instructions' pass (#3223)
2020-03-09 jbolz Allow sampledimage types as operand of OpCopyObject (#3222)
2020-03-09 vasniktel spirv-fuzz: Remove duplicated functionality (#3220)
2020-03-09 andreperezmaselco.developer spirv-fuzz: Allow OpPhi operand to be replaced with a composite synonym (#3221)

Roll third_party/glslang/ f333272eb..4b2483ee8 (7 commits)

https://chromium.googlesource.com/external/github.com/KhronosGroup/glslang/+log/f333272eb504..4b2483ee88ab

$ git log f333272eb..4b2483ee8 --date=short --no-merges --format='%ad %ae %s'
2020-03-16 mbechard Fix #2005. Allow multiple compilation units to declare identical push_constant blocks (#2123)
2020-03-11 laddoc Add flag to check whether offset is implicit or explicit (#2031)
2020-03-11 rharrison Use strcmp for all of the extended instruction set checks in the disassembler (#2107)
2020-03-10 jbolz EXT_debug_printf - make escape sequences better match C/C++
2020-03-09 jbolz disable escape sequences for #line and #error
2020-03-09 jbolz Decorate accesschain operand for nonuniform UBO loads
2020-03-09 jbolz Allow nonuniformEXT() on sampler types.

Roll third_party/shaderc/ 14f128e8d..a7657e4fa (2 commits)

https://chromium.googlesource.com/external/github.com/google/shaderc/+log/14f128e8dc29..a7657e4fa2fe

$ git log 14f128e8d..a7657e4fa --date=short --no-merges --format='%ad %ae %s'
2020-03-13 rharrison Rolling 2 dependencies (#999)
2020-03-12 rharrison Rolling 5 dependencies and updating expectations (#997)

Roll third_party/spirv-cross/ 7d42fd7f7..65aa0c35d (1 commit)

https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Cross/+log/7d42fd7f7b8b..65aa0c35d6c2

$ git log 7d42fd7f7..65aa0c35d --date=short --no-merges --format='%ad %ae %s'
2020-03-10 post include/spirv_cross: Fix typo.

Roll third_party/spirv-headers/ d9ce9ca52..a17e17e36 (2 commits)

https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Headers/+log/d9ce9ca52ffe..a17e17e36da4

$ git log d9ce9ca52..a17e17e36 --date=short --no-merges --format='%ad %ae %s'
2020-03-13 jmadill Add missing header to BUILD.gn.
2020-03-09 stevenperron Export NonSemanticDebugPrintf.h in bazel build

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

Change-Id: Ie5906a75f3599673698846bb0f465432990f40f1
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/17080
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
diff --git a/DEPS b/DEPS
index eef3f5d..d4f06ce 100644
--- a/DEPS
+++ b/DEPS
@@ -51,25 +51,25 @@
 
   # SPIRV-Cross
   'third_party/spirv-cross': {
-    'url': '{chromium_git}/external/github.com/KhronosGroup/SPIRV-Cross@7d42fd7f7b8bd92a57a6a7745f9841a1128f58f7',
+    'url': '{chromium_git}/external/github.com/KhronosGroup/SPIRV-Cross@65aa0c35d6c2044e4be25e13e6f070caf9b75f31',
     '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@4c027048d88bcdd047ddace38081b6d6f896aba4',
+    'url': '{chromium_git}/external/github.com/KhronosGroup/SPIRV-Tools@25ede1ced6797f9a3689ae7dac5085ce8236c573',
     'condition': 'dawn_standalone',
   },
   'third_party/spirv-headers': {
-    'url': '{chromium_git}/external/github.com/KhronosGroup/SPIRV-Headers@d9ce9ca52ffea72d45b313d06867d5312f222aaa',
+    'url': '{chromium_git}/external/github.com/KhronosGroup/SPIRV-Headers@a17e17e36da44d2cd1740132ecd7a8cb078f1d15',
     'condition': 'dawn_standalone',
   },
   'third_party/glslang': {
-    'url': '{chromium_git}/external/github.com/KhronosGroup/glslang@f333272eb504735a78f91c76acd814c38ed0c142',
+    'url': '{chromium_git}/external/github.com/KhronosGroup/glslang@4b2483ee88ab2ce904f6bac27c7796823c45564c',
     'condition': 'dawn_standalone',
   },
   'third_party/shaderc': {
-    'url': '{chromium_git}/external/github.com/google/shaderc@14f128e8dc29b40b1853a9c89481b72fec1044bb',
+    'url': '{chromium_git}/external/github.com/google/shaderc@a7657e4fa2feca67e535bfb20d4fa89fd704921e',
     'condition': 'dawn_standalone',
   },