Add Assistant resources in OOBE UI

Add the Assistant lottie animation resource for OOBE UI.

Bug: b/141352784
Test: Manual Test
Change-Id: I3afb598e8025439c79ef6c57ee9560b0fb2f1372
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1816967
Commit-Queue: Yue Li <updowndota@chromium.org>
Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#698615}

chrome/browser/ui/webui/chromeos/login/oobe_ui.cc

@@ -179,6 +179,12 @@ void AddArcScreensResources(content::WebUIDataSource* source) {
                           IDR_ARC_SUPPORT_RECOMMEND_APP_LIST_VIEW_HTML);
 }
 
+void AddAssistantScreensResources(content::WebUIDataSource* source) {
+  source->AddResourcePath("voice_match_animation.json",
+                          IDR_ASSISTANT_VOICE_MATCH_ANIMATION);
+  source->OverrideContentSecurityPolicyWorkerSrc("worker-src blob: 'self';");
+}
+
 void AddFingerprintResources(content::WebUIDataSource* source) {
   int animation_id;
   bool is_lottie_animation = false;
@@ -269,6 +275,7 @@ content::WebUIDataSource* CreateOobeUIDataSource(
   AddFingerprintResources(source);
   AddSyncConsentResources(source);
   AddArcScreensResources(source);
+  AddAssistantScreensResources(source);
 
   source->AddResourcePath(kKeyboardUtilsJSPath, IDR_KEYBOARD_UTILS_JS);
   source->OverrideContentSecurityPolicyObjectSrc(