[WPT] Only load *.mojom.js through loadMojoResources

* Load other resources separately
* Throw from loadMojoResources when a path is not /gen/.../*.mojom.js

Bug: 1116600
Change-Id: I4f9dbc4459583480ce202e65c789397422a282fe
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2358904Reviewed-by: Reilly Grant <reillyg@chromium.org>
Commit-Queue: Robert Ma <robertma@chromium.org>
Cr-Commit-Position: refs/heads/master@{#798922}

third_party/blink/web_tests/external/wpt/bluetooth/resources/bluetooth-test.js

@@ -29,6 +29,13 @@ function loadScript(path) {
  * @returns {Promise<void>} Resolves when Chromium specific setup is complete.
  */
 async function performChromiumSetup() {
+  const chromiumResources = [
+    '/gen/content/test/data/mojo_web_test_helper_test.mojom.js',
+    '/gen/device/bluetooth/public/mojom/uuid.mojom.js',
+    '/gen/url/mojom/origin.mojom.js',
+    '/gen/device/bluetooth/public/mojom/test/fake_bluetooth.mojom.js',
+    '/gen/content/shell/common/web_test/fake_bluetooth_chooser.mojom.js',
+  ];
   // Determine path prefixes.
   let resPrefix = '/resources';
   let extra = ['/resources/chromium/web-bluetooth-test.js'];
@@ -47,13 +54,10 @@ async function performChromiumSetup() {
     return;
   }
 
-  await loadMojoResources([
-    '/gen/content/test/data/mojo_web_test_helper_test.mojom.js',
-    '/gen/device/bluetooth/public/mojom/uuid.mojom.js',
-    '/gen/url/mojom/origin.mojom.js',
-    '/gen/device/bluetooth/public/mojom/test/fake_bluetooth.mojom.js',
-    '/gen/content/shell/common/web_test/fake_bluetooth_chooser.mojom.js',
-  ].concat(extra));
+  await loadMojoResources(chromiumResources);
+  for (const path of extra) {
+    await loadScript(path);
+  }
 
   // Call setBluetoothFakeAdapter() to clean up any fake adapters left over by
   // legacy tests. Legacy tests that use setBluetoothFakeAdapter() sometimes

third_party/blink/web_tests/external/wpt/resources/test-only-api.js

@@ -48,8 +48,7 @@ function loadScript(path) {
  *
  * @param {Array.<string>} resources - A list of scripts to load: Mojo JS
  *   bindings should be of the form '/gen/../*.mojom.js', the ordering of which
- *   does not matter. Do not include mojo_bindings.js in this list. You may
- *   include other non-mojom.js scripts for convenience.
+ *   does not matter. Do not include mojo_bindings.js in this list.
  * @returns {Promise}
  */
 async function loadMojoResources(resources) {
@@ -66,18 +65,20 @@ async function loadMojoResources(resources) {
     genPrefix = 'file://';
   }
 
-  // We want to load mojo_bindings.js separately to set mojo.config.
-  if (resources.some(p => p.endsWith('/mojo_bindings.js'))) {
-    throw new Error('Do not load mojo_bindings.js explicitly.');
+  for (const path of resources) {
+    // We want to load mojo_bindings.js separately to set mojo.config.
+    if (path.endsWith('/mojo_bindings.js')) {
+      throw new Error('Do not load mojo_bindings.js explicitly.');
+    }
+    if (! /^\/gen\/.*\.mojom\.js$/.test(path)) {
+      throw new Error(`Unrecognized resource path: ${path}`);
+    }
   }
+
   await loadScript(genPrefix + '/gen/layout_test_data/mojo/public/js/mojo_bindings.js');
   mojo.config.autoLoadMojomDeps = false;
 
   for (const path of resources) {
-    if (path.startsWith('/gen/')) {
-      await loadScript(genPrefix + path);
-    } else {
-      await loadScript(path);
-    }
+    await loadScript(genPrefix + path);
   }
 }

third_party/blink/web_tests/external/wpt/webxr/resources/webxr_util.js

@@ -200,7 +200,7 @@ function forEachWebxrObject(callback) {
 
 // Code for loading test API in Chromium.
 async function loadChromiumResources() {
-  let chromiumResources = [
+  const chromiumResources = [
     '/gen/mojo/public/mojom/base/time.mojom.js',
     '/gen/mojo/public/mojom/base/shared_memory.mojom.js',
     '/gen/mojo/public/mojom/base/unguessable_token.mojom.js',
@@ -217,22 +217,26 @@ async function loadChromiumResources() {
     '/gen/ui/display/mojom/display.mojom.js',
     '/gen/device/gamepad/public/mojom/gamepad.mojom.js',
     '/gen/device/vr/public/mojom/vr_service.mojom.js',
+  ];
+
+  let extraResources = [
     '/resources/chromium/webxr-test-math-helper.js',
     '/resources/chromium/webxr-test.js',
-    // Required only by resources/chromium/webxr-test.js
     '/resources/testdriver.js',
     '/resources/testdriver-vendor.js',
   ];
-
   // This infrastructure is also used by Chromium-specific internal tests that
   // may need additional resources (e.g. internal API extensions), this allows
   // those tests to rely on this infrastructure while ensuring that no tests
   // make it into public WPTs that rely on APIs outside of the webxr test API.
   if (typeof(additionalChromiumResources) !== 'undefined') {
-    chromiumResources = chromiumResources.concat(additionalChromiumResources);
+    extraResources = extraResources.concat(additionalChromiumResources);
   }
 
   await loadMojoResources(chromiumResources);
+  for (const path of extraResources) {
+    await loadScript(path);
+  }
 
   xr_debug = navigator.xr.test.Debug;
 }