feat: also pass securityOrigin to media permissions request handler

docs/api/session.md

@@ -587,6 +587,7 @@ win.webContents.session.setCertificateVerifyProc((request, callback) => {
     * `permissionGranted` Boolean - Allow or deny the permission.
   * `details` Object - Some properties are only available on certain permission types.
     * `externalURL` String (optional) - The url of the `openExternal` request.
+    * `securityOrigin` String (optional) - The security origin of the `media` request.
     * `mediaTypes` String[] (optional) - The types of media access being requested, elements can be `video`
       or `audio`
     * `requestingUrl` String - The last URL the requesting frame loaded

shell/browser/web_contents_permission_helper.cc

@@ -140,6 +140,7 @@ void WebContentsPermissionHelper::RequestMediaAccessPermission(
     media_types->AppendString("video");
   }
   details.SetList("mediaTypes", std::move(media_types));
+  details.SetString("securityOrigin", request.security_origin.spec());
 
   // The permission type doesn't matter here, AUDIO_CAPTURE/VIDEO_CAPTURE
   // are presented as same type in content_converter.h.

spec-main/chromium-spec.ts

@@ -945,6 +945,7 @@ describe('chromium features', () => {
     afterEach(closeAllWindows);
     afterEach(() => {
       session.defaultSession.setPermissionCheckHandler(null);
+      session.defaultSession.setPermissionRequestHandler(null);
     });
 
     it('can return labels of enumerated devices', async () => {
@@ -994,6 +995,32 @@ describe('chromium features', () => {
       const [, secondDeviceIds] = await emittedOnce(ipcMain, 'deviceIds', () => w.webContents.reload());
       expect(firstDeviceIds).to.not.deep.equal(secondDeviceIds);
     });
+
+    it('provides a securityOrigin to the request handler', async () => {
+      session.defaultSession.setPermissionRequestHandler(
+        (wc, permission, callback, details) => {
+          if (details.securityOrigin !== undefined) {
+            callback(true);
+          } else {
+            callback(false);
+          }
+        }
+      );
+      const w = new BrowserWindow({ show: false });
+      w.loadFile(path.join(fixturesPath, 'pages', 'blank.html'));
+      const labels = await w.webContents.executeJavaScript(`navigator.mediaDevices.getUserMedia({
+          video: {
+            mandatory: {
+              chromeMediaSource: "desktop",
+              minWidth: 1280,
+              maxWidth: 1280,
+              minHeight: 720,
+              maxHeight: 720
+            }
+          }
+        }).then((stream) => stream.getVideoTracks())`);
+      expect(labels.some((l: any) => l)).to.be.true();
+    });
   });
 
   describe('window.opener access', () => {