Update dawn_node deps to point at mirrored repos

Updates deps for node-api-headers, node-addon-api, and gpuweb.

Bug: 408414686
Change-Id: I575638f67cd41cbea5d562a1658e84feb12b287b
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/239416
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Commit-Queue: Kai Ninomiya <kainino@chromium.org>

.gitmodules

diff --git a/.gitmodules b/.gitmodules
index 3285f507..02e07a7 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -152,15 +152,15 @@
 	gclient-condition = dawn_wasm
 [submodule "third_party/node-api-headers"]
 	path = third_party/node-api-headers
-	url = https://github.com/nodejs/node-api-headers.git
+	url = https://chromium.googlesource.com/external/github.com/nodejs/node-api-headers
 	gclient-condition = dawn_node
 [submodule "third_party/node-addon-api"]
 	path = third_party/node-addon-api
-	url = https://github.com/nodejs/node-addon-api.git
+	url = https://chromium.googlesource.com/external/github.com/nodejs/node-addon-api
 	gclient-condition = dawn_node
 [submodule "third_party/gpuweb"]
 	path = third_party/gpuweb
-	url = https://github.com/gpuweb/gpuweb.git
+	url = https://chromium.googlesource.com/external/github.com/gpuweb/gpuweb
 	gclient-condition = dawn_node
 [submodule "third_party/protobuf"]
 	path = third_party/protobuf

DEPS

diff --git a/DEPS b/DEPS
index c8e8c1a..6da3c28 100644
--- a/DEPS
+++ b/DEPS
@@ -371,15 +371,15 @@
 
   # Dependencies required to build / run Dawn NodeJS bindings
   'third_party/node-api-headers': {
-    'url': '{github_git}/nodejs/node-api-headers.git@d5cfe19da8b974ca35764dd1c73b91d57cd3c4ce',
+    'url': '{chromium_git}/external/github.com/nodejs/node-api-headers@d5cfe19da8b974ca35764dd1c73b91d57cd3c4ce',
     'condition': 'dawn_node',
   },
   'third_party/node-addon-api': {
-    'url': '{github_git}/nodejs/node-addon-api.git@1e26dcb52829a74260ec262edb41fc22998669b6',
+    'url': '{chromium_git}/external/github.com/nodejs/node-addon-api@1e26dcb52829a74260ec262edb41fc22998669b6',
     'condition': 'dawn_node',
   },
   'third_party/gpuweb': {
-    'url': '{github_git}/gpuweb/gpuweb.git@4e4692ab9d920c0a50a09533d5bb58e02babb0b2',
+    'url': '{chromium_git}/external/github.com/gpuweb/gpuweb@4e4692ab9d920c0a50a09533d5bb58e02babb0b2',
     'condition': 'dawn_node',
   },