Add Revision: fields to third parties

Bug: chromium:347134201
Bug: chromium:347135533
Bug: chromium:347136084
Bug: chromium:347136140
Bug: chromium:347861251
Bug: chromium:347862586
Change-Id: I82794c4868b92bb747f376d7da93701589f6d144
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5639873
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Auto-Submit: Shahbaz Youssefi <syoussefi@chromium.org>
Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
diff --git a/src/common/third_party/xxhash/README.chromium b/src/common/third_party/xxhash/README.chromium
index 4c915de..607dc3d 100644
--- a/src/common/third_party/xxhash/README.chromium
+++ b/src/common/third_party/xxhash/README.chromium
@@ -1,5 +1,6 @@
 Name: xxHash
 URL: https://github.com/Cyan4973/xxHash
+Revision: 0f2dd4a1cb103e3fc8c55c855b821eb24c6d82c3
 License: BSD
 License File: LICENSE
 Security Critical: yes
diff --git a/src/tests/test_utils/third_party/README.chromium b/src/tests/test_utils/third_party/README.chromium
index 42f78ce..3a19cae 100644
--- a/src/tests/test_utils/third_party/README.chromium
+++ b/src/tests/test_utils/third_party/README.chromium
@@ -1,5 +1,6 @@
 Name: vulkan_command_buffer_utils.h, vulkan_command_buffer_utils.cpp
 URL: https://github.com/LunarG/VulkanSamples/tree/master/API-Samples/utils
+Revision: 9cbde4db68a38f8e108560741a97d759f76a9eb3
 License: Apache License, Version 2.0
 License File: http://www.apache.org/licenses/LICENSE-2.0
 Security Critical: no
@@ -8,4 +9,4 @@
 Description:
 Utility functions used to implement Vulkan samples and performance tests.
 Modified and reorganized to add support for running applications using
-various command buffer implementations.
\ No newline at end of file
+various command buffer implementations.
diff --git a/src/third_party/libXNVCtrl/README.chromium b/src/third_party/libXNVCtrl/README.chromium
index 6306b9d..ba42e95 100644
--- a/src/third_party/libXNVCtrl/README.chromium
+++ b/src/third_party/libXNVCtrl/README.chromium
@@ -1,6 +1,7 @@
 Name: NVidia Control X Extension Library
 Short Name: libXNVCtrl
 URL: http://cgit.freedesktop.org/~aplattner/nvidia-settings/
+Revision: ffa5183362ed4ace5b1cfd031a272f72e7d68c1b
 Version: unknown
 Date: 2008
 License: MIT
diff --git a/src/third_party/volk/README.chromium b/src/third_party/volk/README.chromium
index 02a835c..899f399 100644
--- a/src/third_party/volk/README.chromium
+++ b/src/third_party/volk/README.chromium
@@ -1,6 +1,7 @@
 Name: Volk Meta loader for Vulkan API
 Short Name: volk
 URL: https://github.com/zeux/volk
+Revision: 1ee0b6642ecb947a10f4f988930c02f54cb4b577
 Version: 0
 License: MIT
 License File: LICENSE.md
diff --git a/src/third_party/volk/README.md b/src/third_party/volk/README.md
index 5a5207b..fd7771c 100644
--- a/src/third_party/volk/README.md
+++ b/src/third_party/volk/README.md
@@ -8,6 +8,7 @@
 If any changes are made to volk source files locally within ANGLE, please also make corresponding PRs so that
 the changes land in the upstream source volk GitHub repo.
 Make sure to change tabs to spaces, which clang-format later fixes, after updating the files.
+Also make sure to update the `Revision:` field in `README.chromium`.
 
 ## Purpose
 
diff --git a/third_party/renderdoc/README.chromium b/third_party/renderdoc/README.chromium
index ecb00ce..a686c8e 100644
--- a/third_party/renderdoc/README.chromium
+++ b/third_party/renderdoc/README.chromium
@@ -1,5 +1,6 @@
 Name: RenderDoc API Header
 URL: https://raw.githubusercontent.com/baldurk/renderdoc/v1.1/renderdoc/api/app/renderdoc_app.h
+Revision: 026da176bbcc1678c439984cbbea1c17953c3a0e
 License: MIT
 Security Critical: no
 Shipped: no
diff --git a/util/windows/third_party/StackWalker/README.chromium b/util/windows/third_party/StackWalker/README.chromium
index 827e499..584948e 100644
--- a/util/windows/third_party/StackWalker/README.chromium
+++ b/util/windows/third_party/StackWalker/README.chromium
@@ -1,5 +1,6 @@
 Name: StackWalker
 URL: https://github.com/JochenKalmbach/StackWalker
+Revision: 42e7a6e056a9e7aca911a7e9e54e2e4f90bc2652
 License: BSD
 License File: LICENSE
 Security Critical: no