Vulkan: Add Vulkan DEPS.

We will roll the DEPS through to Chromium first, so avoid the problem
where DEPS rolls in ANGLE break the CQ (http://crbug.com/643346)

We will follow up with build files after this CL makes it into Chrome.
Likely we won't roll Vulkan DEPS until the above issue is fixed.

BUG=angleproject:1319

Change-Id: I4121143887a614667affe750185d1bc7b8474fa7
Reviewed-on: https://chromium-review.googlesource.com/419720
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
diff --git a/.gitignore b/.gitignore
index 6e5da43..d5ec13e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,8 +26,12 @@
 /testing/gtest
 /third_party/cherry
 /third_party/deqp/src
+/third_party/glslang-angle/src
 /third_party/gyp
 /third_party/libpng
+/third_party/spirv-headers/src
+/third_party/spirv-tools-angle/src
+/third_party/vulkan-validation-layers/src
 /third_party/zlib
 /src/tests/third_party/gles_conformance_tests
 out
diff --git a/DEPS b/DEPS
index 0110c1a..8410e8c 100644
--- a/DEPS
+++ b/DEPS
@@ -1,32 +1,46 @@
 vars = {
+  'android_git': 'https://android.googlesource.com',
   'chromium_git': 'https://chromium.googlesource.com',
 }
 
 deps = {
-  'third_party/gyp':
-      Var('chromium_git') + '/external/gyp' + '@' + '81c2e5ff92af29bab61c982808076ddce3d200a2',
 
-  'testing/gtest':
-    Var('chromium_git') + '/external/github.com/google/googletest.git' + '@' + '6f8a66431cb592dad629028a50b3dd418a408c87',
+  'buildtools':
+    Var('chromium_git') + '/chromium/buildtools.git' + '@' + '39b1db2ab4aa4b2ccaa263c29bdf63e7c1ee28aa',
 
   'testing/gmock':
     Var('chromium_git') + '/external/googlemock.git' + '@' + '0421b6f358139f02e102c9c332ce19a33faf75be', # from svn revision 566
 
+  'testing/gtest':
+    Var('chromium_git') + '/external/github.com/google/googletest.git' + '@' + '6f8a66431cb592dad629028a50b3dd418a408c87',
+
   # Cherry is a dEQP management GUI written in Go. We use it for viewing test results.
   'third_party/cherry':
-      'https://android.googlesource.com/platform/external/cherry' + '@' + 'd2e26b4d864ec2a6757e7f1174e464949ca5bf73',
+    Var('android_git') + '/platform/external/cherry' + '@' + 'd2e26b4d864ec2a6757e7f1174e464949ca5bf73',
 
   'third_party/deqp/src':
-      'https://android.googlesource.com/platform/external/deqp' + '@' + '455d82c60b096e7bd83b6a2f5ed70c61e4bfa759',
+    Var('android_git') + '/platform/external/deqp' + '@' + '455d82c60b096e7bd83b6a2f5ed70c61e4bfa759',
+
+  'third_party/glslang-angle/src':
+    Var('android_git') + '/platform/external/shaderc/glslang' + '@' + '1e275c8486325aaab34734ad9a650c0121c5efdb',
+
+  'third_party/gyp':
+    Var('chromium_git') + '/external/gyp' + '@' + '81c2e5ff92af29bab61c982808076ddce3d200a2',
 
   'third_party/libpng':
-      'https://android.googlesource.com/platform/external/libpng' + '@' + '094e181e79a3d6c23fd005679025058b7df1ad6c',
+    Var('android_git') + '/platform/external/libpng' + '@' + '094e181e79a3d6c23fd005679025058b7df1ad6c',
+
+  'third_party/spirv-headers/src':
+    Var('android_git') + '/platform/external/shaderc/spirv-headers' + '@' + 'c470b68225a04965bf87d35e143ae92f831e8110',
+
+  'third_party/spirv-tools-angle/src':
+    Var('android_git') + '/platform/external/shaderc/spirv-tools' + '@' + '68c5f0436f1d4f1f137e608780190865d0b193ca',
+
+  'third_party/vulkan-validation-layers/src':
+    Var('android_git') + '/platform/external/vulkan-validation-layers' + '@' + '38de34103bb8f7a91527ce04f9537b82dd526638',
 
   'third_party/zlib':
-      Var('chromium_git') + '/chromium/src/third_party/zlib' + '@' + 'afd8c4593c010c045902f6c0501718f1823064a3',
-
-  'buildtools':
-      Var('chromium_git') + '/chromium/buildtools.git' + '@' + '39b1db2ab4aa4b2ccaa263c29bdf63e7c1ee28aa',
+    Var('chromium_git') + '/chromium/src/third_party/zlib' + '@' + 'afd8c4593c010c045902f6c0501718f1823064a3',
 }
 
 hooks = [
diff --git a/DEPS.chromium b/DEPS.chromium
index f33c9a8..967b078 100644
--- a/DEPS.chromium
+++ b/DEPS.chromium
@@ -11,13 +11,39 @@
 
 vars = {
   'android_git': 'https://android.googlesource.com',
+
+  # Current revision of dEQP.
   'deqp_revision': '455d82c60b096e7bd83b6a2f5ed70c61e4bfa759',
+
+  # Current revision of glslang, the Khronos SPIRV compiler.
+  'glslang_revision': '1e275c8486325aaab34734ad9a650c0121c5efdb',
+
+  # Current revision fo the SPIRV-Headers Vulkan support library.
+  'spirv_headers_revision': 'c470b68225a04965bf87d35e143ae92f831e8110',
+
+  # Current revision of SPIRV-Tools for Vulkan.
+  'spirv_tools_revision': '68c5f0436f1d4f1f137e608780190865d0b193ca',
+
+  # Current revision of the Vulkan Validation Layers SDK.
+  'vulkan_revision': '38de34103bb8f7a91527ce04f9537b82dd526638',
 }
 
 deps_os = {
   'win': {
     'src/third_party/deqp/src':
       Var('android_git') + '/platform/external/deqp@' + Var('deqp_revision'),
+
+    'src/third_party/glslang-angle/src':
+      Var('android_git') + '/platform/external/shaderc/glslang@' + Var('glslang_revision'),
+
+    'src/third_party/spirv-headers/src':
+      Var('android_git') + '/platform/external/shaderc/spirv-headers@' + Var('spirv_headers_revision'),
+
+    'src/third_party/spirv-tools-angle/src':
+      Var('android_git') + '/platform/external/shaderc/spirv-tools@' + Var('spirv_tools_revision'),
+
+    'src/third_party/vulkan-validation-layers/src':
+      Var('android_git') + '/platform/external/vulkan-validation-layers@' + Var('vulkan_revision'),
   },
   'unix': {
     'src/third_party/deqp/src':